President John F. Kennedy impacted America in the most significant way in comparison to other presidents of the United States. He had already started impacting America even before he was in office. Then, while he was in office, he made massive changes and worked on different policies and foreign crisis. One event that occurred during his presidency that greatly affected America was his assassination. After his assassination, many changes were also made that are credited to John F. Kennedy as a president. These four different time periods were all major parts in coming to the conclusion that John F. Kennedy had the most significance in impacting America, compared to other presidents of the United States. John F. Kennedy seems to be remembered for only his assassination but even before he was in office, he had already started to impact America in many ways. Rising Cold War tensions between the United States and the Soviet Union dominated the 1960 election campaign. The Democratic nomination was captured by John Fitzgerald Kennedy despite his Catholic faith, a seeming lack of experience in foreign affairs, and his youth. He won a solid victory in the Democratic primary on May 10 in overwhelmingly Protestant West Virginia. Based on his success there, he launched himself toward a first ballot victory at the national convention in Los Angeles.He did not reach the 761 votes required for the nomination at that convention. However, he did reach the required votes at the final state in the roll call, Wyoming. He chose Texas senator Lyndon Johnson as his running mate to be Vice President. After that decision, Kennedy told the convention delegates that he would get the nation moving again. He declared that the United States would have the will and the strength to resist communism around the world. Kennedy then challenged the vice president to a series of televised debates. About two-thirds of the electorate, an estimated seventy million Americans, watched the first debate on September 26th. The issues of experience and maturity seemed to fade almost overnight, from the campaign. As a result of the debates, studies would later show that three million of the four million voters who made up their minds voted for Kennedy. This election changed America in the advancement of technology as television became the dominant source of information for voters. People may argue that this did not advance technology. However that would be false, because this was such a massive improvement for America in the news and entertainment industry because television was added as another outlet for it and in turn it advanced technology. This was only one of the many changes that took place during the 1960 election. One of the many changes made by John F. Kennedy during his presidency had to do with supporting civil rights. Civil rights was the most contentious domestic issue of Kennedy’s presidency.Kennedy offered only slight support for civil rights reforms early in his term due to the fact that Southern Democrats in Congress remained opposed to black citizens receiving civil rights. Nevertheless, in September 1962 Kennedy sent his brother, Attorney General Robert Kennedy, to Mississippi. He did this so that the National Guard and federal marshals would escort and defend civil rights activist James Meredith. Meredith needed protection, as he became the first black student to enroll at the University of Mississippi on October 1, 1962. Kennedy finally sent a civil rights bill to Congress near the end of 1963, in the wake of Martin Luther King Jr.’s “I Had a Dream” speech and the March on Washington. One of the last acts of his presidency and his life, Kennedy’s bill eventually passed as the landmark Civil Rights Act in 1964. People may argue that this did not impact America but this is incorrect considering that this event started a huge movement and helped black citizens. Kennedy’s bill changed the lives of many people directly for the better and it is all thanks to him and the plans he had for the United States. John F. Kennedy also handled foreign affairs and dealt with international crises extremely well. Kennedy did an amazing job at fostering United States relationships with different countries throughout the world. Kennedy created the Peace Corps by executive order in 1961, capitalizing on the spirit of activism he had helped to ignite. Over 170,000 Peace Corps volunteers would serve in 135 countries by the end of the century. Kennedy also created the Alliance for Progress in 1961, in hopes of preventing the spread of communism and alleviating poverty in the region, to foster greater economic ties with Latin America. Kennedy made sure that any foreign affairs were handled properly in order to make stronger connections internationally with other countries because he knew these relationships would be useful in the future for many different possible situations. Kennedy also presided over a series of international crises. He authorized a covert mission, on April 15, 1961, with a group of 1,500 CIA-trained Cuban refugees to overthrow leftist Cuban leader Fidel Castro. Known as the Bay of Pigs Invasion, the mission proved an unmitigated failure, causing Kennedy great embarrassment. People might take this as a way to prove Kennedy did not change America for the better but they would be wrong considering many other crises took place that he handled well. In August 1961, Khrushchev ordered the construction of the Berlin Wall, to stem massive waves of emigration from Soviet-dominated East Germany to American ally West Germany through the divided city of Berlin, which became the foremost symbol of the Cold War. The greatest crisis of the Kennedy administration, however, was the Cuban Missile Crisis of October 1962. Kennedy vowed to defend the United States at any cost and after discovering that the Soviet Union had sent ballistic nuclear missiles to Cuba, he blockaded the island. The Soviet Union agreed that in return for Kennedy’s promise to remove their missiles, they would not invade Cuba and they would remove American missiles from Turkey, after several of the tensest days in history, during which the world seemed on the brink of nuclear annihilation. Kennedy successfully negotiated the Limited Nuclear Test Ban Treaty with Great Britain and the Soviet Union, eight months later, in June 1963, to help ease tensions of the Cold War. It was one of his proudest accomplishments. These examples go to show that his experiences with international crises and foreign affairs were handled well, even in the most important scenarios.The assassination of John F. Kennedy was one of the hardest struggles the United States had to deal with. On November 21, 1963, President Kennedy flew to Dallas, Texas for a campaign appearance. The next day, November 22, Kennedy, along with his wife and Texas governor John Connally, rode in a Lincoln Continental convertible through cheering crowds in downtown Dallas. A 24-year-old warehouse worker named Lee Harvey Oswald, a former Marine with Soviet sympathies, fired upon the car, from an upstairs window of the Texas School Book Depository building, hitting the president twice. Kennedy died at age 46, at Parkland Memorial Hospital shortly thereafter. Jack Ruby, a Dallas nightclub owner, assassinated Lee Harvey Oswald days later while he was being transferred between jails. The death of President John F. Kennedy was an unspeakable national tragedy, and to this date many people remember with unsettling vividness the exact moment they learned of his death. At the time of his assassination, citizens didn’t see the positives in the situation, as it was a difficult time, and they could argue that it would destroy the country. Although his assassination was hard on many citizens that were depending on him, he was still improving his country even during the time of his death. His assassination brought citizens closer together as they grieved the loss of their president.The events that took place after the assassination still have an effect and have changed the United States to the present. President John F. Kennedy’s death on November 22, 1963 traumatized a nation and led a united Congress to make a key constitutional change. This change was in the form of the 25th amendment. As the country came to grips with the assassination, about two hours after Kennedy’s death was documented, Johnson took the oath of office, so the nation knew a constitutional change of office had taken place. Kennedy’s sudden passing proposed an argument about a constitutional change that had been in progress in Congress in 1963. The Constitution never truly spelled out how a Vice President would become President if a President died, resigned or was unable to perform the office’s duty.Congress debated an attempt to add a procedure for dealing with a leader who became unable to perform the office’s duties temporarily or permanently and amend the Constitution to clear up all succession matters in 1963. With the realities of the Cold War and with President Dwight Eisenhower’s illnesses in the 1950s, this became a bigger issue. The need for a clear way to determine presidential succession, with Kennedy’s unexpected death, especially with the new reality of the Cold War and its frightening technologies, forced Congress into action. The House and the Senate agreed on the wording of what would become the 25th Amendment within three months. Nebraska became the first state to ratify the proposed amendment, in July 1965. Nevada was the 38th state to ratify the amendment, making it the law of the land in February 1967. When the presidency became vacant under three circumstances: death, resignation and removal from office, section 1 of the 25th Amendment made it clear that the Vice President became President. With the permission of Congress, iIf that office became vacant, section 2 gave the President the power to name a new Vice President. The other two sections of the amendments detail if the President was unable to perform his or her official duties, what the process is for the Vice President to serve as Acting President and how to resolve arguments about the President’s ability to get rid of official powers. When Vice President Spiro Agnew resigned, the 25th Amendment would receive its first test in October 1973. Gerald Ford became the new Vice President in December 1973, after President Richard Nixon nominated Ford for congressional approval. People may think that John F. Kennedy’s assassination left the United States in a terrible standing but they would be proven incorrect. Despite John F. Kennedy being assassinated, he still made his mark in the hearts of many and left the United States with great new policies in place.The United States had been through not only the death of John F. Kennedy, but also the death of three other significant figures at the time. Malcolm X was one of these people, since he was an African-American human rights activist. Another person that was assassinated was Martin Luther King Jr. His assassination was due to him being a leader in the civil rights movement, as an African-American. Robert Kennedy was also assassinated since he was a senator ready to end the division in America. These were all significant figures that were assassinated because of the amount of power they had. It all goes back to the power that John F. Kennedy had when he was president because the assassinators were in fear of how much one person could change the United States as a whole.In the most significant way, John F. Kennedy impacted the United States much more greatly than when compared to other presidents. Before he was even in office, he had already started impacting the United States. He made massive changes and improved the United States greatly especially during his presidency. The time period of his assassination and afterwards, he was still making extreme changes due to his death. All of these different events had led to a much better United States and it is all credited to John F. Kennedy himself.