Answer:
A. spread American culture around the world.
Explanation:
The 50 years for the USA were a period of economic growth and prosperity. It was also a great shock, given that its liberal and capitalist system was opposed to the Soviet Union and other communist countries; The Cold War had begun. African Americans joined and organized, and the triumph of the Civil Rights Movement between 1955 and 1968 ended segregation in the south, which had been embodied in the Jim Crow laws.
At an early time in the period, an active foreign policy was followed to help Western Europe and Asia recover from the devastation of World War II. The United States also sought to contain the expansion of Communism, represented by the Soviet Union and China. An arms race began, and each side tried to demonstrate its strength through increasingly powerful nuclear weapons. The Soviets formed the Warsaw Pact of communist states to oppose the North Atlantic Treaty Organization (NATO), a US-led alliance. USA He fought a bloody and unfinished war in the Korean War and the escalation of the Vietnam War as the period ended.
After a transition, the economy grew rapidly within the country, with great prosperity, rising wages, and the movement of rural workers to towns and cities.
