What happened in America in the 1950s?

The 1950s were a decade marked by the post-World War II boom, the dawn of the Cold War and the Civil Rights movement in the United States. ... For example, the nascent civil rights movement and the crusade against communism at home and abroad exposed the underlying divisions in American society.

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east-west schism. the greatest effect of the east-west schism was the creation of two separate churches that had previously been unified under one church, the eastern orthodox church and the roman catholic church.