What is one way that civil rights were expanded in the 20th century.

The civil rights movement was an empowering yet precarious time for Black Americans. The efforts of civil rights activists and countless protesters of all races brought about legislation to end segregation, Black voter suppression and discriminatory employment and housing practices.

the fast expansion of civil liberties and rights in America. i think

Explanation:

my cultural heritage consists of irish, german, native american, and others.

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