Answer:
From top to bottom:
Explanation:
B.
B. (Although this one could also be C. depending on the unit you're on, but I'm guessing it's this one over the other)
A.
The correct answer is:
B. Relocation to suburbs.
Relocation to suburbs has been a constant of urban life since the early 1900s.

Answer:
Immigration is the act of leaving one's countries and moving to another country of which they are not natives, nor citizens, to settle or reside there, especially as permanent residents or naturalized citizens, or to take-up employment as a migrant worker or temporarily as a foreign worker.
South Carolina was the first state to secede from the Union on December 20, 1860. It was called southern nationalism. Other states began to secede, however, no state had the right to secede but the federal government didn't have the power to stop them.