Final answer:
The rise of religion in the US during the Red Scare can be attributed to the fear and distrust of communism and socialism.
Step-by-step explanation:
The rise of religion in the US during the Red Scare can be attributed to the fear and distrust of communism and socialism. Americans saw communism as a godless entity that encouraged violence and fear throughout the world. The ideologies of communism and socialism threatened the existing political and economic systems in the US, leading to a heightened focus on religion.