Answer:
The slavery questions turned out to be a serious issue in the 1840s and 1850s because the Nation was expanding towards the West. This was one of the dynamic social and economic processes that was going on in the United States as that the time. Slavery was carried into Mississippi, Louisiana, Alabama, and the in the 1840's, it was in Texas. In the 1850's, the issue of slavery expansion became a serious political question.
Explanation:
B, it also has it in the name.
The Civil Rights Movement convinced scholars that some social movements do not result from a unification of psychological needs but need to be explained by a broader socio-economical perspective. In such an explanation, the needs of the individuals do not have to coincide with the needs of the group as a whole.