Today, on July 15, 1960 (June 22, 1960), Kennedy proposed the New Border Policy and the New Border) was the political program of the Democratic Party President Kennedy. In the 1950s, the U.S. economy grew slowly, poverty was serious, the black movement gradually increased; while Western Europe and Japan entered the rapid economic development, the Soviet technological development had to catch up and overtake the U.S. power, and the U.S. preeminence was gradually lost. These factors forced the U.S. to take new measures. On July 15, 1960, in a speech to accept the Democratic presidential candidate's nomination, Kennedy put forward the slogan of New Border. Kennedy in January 1961, after the oath of office, began to arrange the new border implementation program and the U.S. preeminence of