Letter A is the answer...but I’m not really sure
Immigrants....................................
Answer:
March 22, 1972
Explanation:
On March 22, 1972, the Equal Rights Amendment is passed by the U.S. Senate and sent to the states for ratification.
the Passage of Jim Crow Laws by the state legislature.
The company towns reinforced it by having special wages for people of different ethnicity or by racially profiling and segregating those that they didn't want to be equal with Caucasian workers. This caused an even bigger drift between people and distrust to arise.