Answer:
c. to describe the relationship between federal and state powers
Explanation:
Answer:
During the years between 1916 and 1970, the vast majority (more than 90%) of African-American population have migrated from rural southern states to more urban north states.
The <em>main causes</em> are <em>economic issues</em>, along with poverty and unemployment on the one hand, and still prevalent <em>racial discrimination</em> in the South, on the other. It took place in fourteen southern states, with Georgia being the second most affected after Mississippi.
The answer is Explorers were able to use accurate maps to reach their destinations!
