The first question is answer b
The second question is answer c
Social security because health care and defense and education is very important to the federal government.
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.
An element <u>period </u>is its row in the periodic table.
