The emergency quota act of 1921 was passed to severely restrict immigration from eastern and southern europe. why were these two regions singled out? a plague of cholera was affecting them. civil war was going on in both regions. the threat of communism came from there. the russian revolution was still in progress.

The threat of Communism came from there.

The threat of Communism came from there.

Explanation:

This law was signed by president Harding, to restrict the amount of immigrants coming from Eastern and Southern Europe in 1921. Because they are believed to bring to United States radical ideas, such as socialism and communism. And they could be the cause of riots, strikes, violence and civil unrest.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;