Answer:
A. It causes disease to spread more easily.
Explanation:
The answer is A becuase of overcrowding there would be more diseases since they are "piled" on top of each other. It would also cause a higher demand for jobs and houses.
increased urbanization which led to expansion
The main way in which Republicans and Radical Republicans differed over the issue of Reconstruction was that "<span>C.Radical Republicans wanted to see the South punished, while Republicans supported Lincoln’s plan," since Lincoln wanted the nation to "heal" as quickly as possible. </span>
John F. Kennedy
"Ask not what your country can do for you - ask what can you do for your country"