What are two things that keyed the growth of religion during the 1950s?

Religious presidents and the Red Scare are the two things that keyed the growth of religion during 1950s.

Explanation:

Growth of religion is the rate at which it is accepted, and thus increases throughout the world. Religion flourished in the 1950s for several reasons, partly because of the life style and beliefs of the people. People associated religion with statehood which made religious presidents, the red scare and  rock 'n' roll music so important during the era.

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the correct answer is history and tradition.