Answer:
gain. theyre empire gained a lot of land due to the explorations to the Americas
Since the agriculture improved on the countryside it means that the people in the town improved with better quality of produce.
Federal, state, and local governments.
I would say that Plessy v. Ferguson contributed to the Civil Rights movement. This was a court case that ruled that racial segregation in schools was allowed as long as the education for black students was equal to white students. Although this does not seem like a civil rights act, it later lead to Brown v. Board of Education, which ended racial segregation in schools all together.