I Believe it was president Harry S. Truman
Answer:
C
B
A
Explanation:
Agriculture first became common practice ~10,000 years ago.
People started to domesticate plants and animals a short time after.
The earliest settlements were roughly around the same time as Agriculture, sometimes even before?
Wording is confusing.
The north had many supporters whether they were in the southern territories or the northern. Many people sacrificed equipment, food, water, etc. in order to help the north ensure victory.