Answer:
I think it that the answer might be c
They created wells deep in the ground in order to pull up water. The wells fill up over time and can sustain villages. Most villages at this time contained one major well and then the village grew around it.
The immigrants contributed significantly to United States history from the period 1900 to 1940. Immigration was widely spread in the North while the South (aside from slave immigration) remained mostly American born citizens...about 14.5% of the population were immigrants and it was a huge force for the labor industries
D because they really wanted to win the war and they did everything they could to win so the answer is in fact D
False
explanation
some cells are unicellular but not all so that is false because many other organisms are made of trillions!