segrogation. "The 1920s was a decade of change, when many Americans owned cars, radios, and .... Yet segregation, or separation of the races, continued to be practiced in North ... Modern civil rights laws for minorities were still many years away."- NC Pedia
Both a and c are correct, however I think that A would be the most correct answer in this case.
Gutenberg’s invention flooded Europe with printed material and literacy rates began to rise
It was against Native American rights.
