they conducted thorough scientific experiments
The correct answer is letter A and D.
Explanation: The Great Immigration occurred mainly from the South to the North, which is the most developed in the region. The process was strained as a result of growing social as well as economic inequalities, which increasingly generates labor shortages and sufficient resources for all.
They move because of the poor economic conditions, and the racial segregation in states that has the Jim Crow laws working, in the Southern states.
Answer:
New England had skilled craftsmen in the industry of shipbuilding. The Mid-Atlantic presented a diverse workforce of farmers, fisherman, and merchants. The Southern Colonies were primarily agricultural with few cities and limited schools. ... This made it a more suitable place to grow grain and livestock than New England.
Stalin demanded a Soviet sphere of political influence in Eastern and Central Europe as an essential aspect of the USSR's national security strategy.
Explanation:
