Congress passed the Selective Services Act and drafted young men for WWI. Identify the causes
a) Too many older men signed up to fight in WWI,
b) Not enough men signed up to fight in WWI.
c) Too many men needed to work to support their familles during WWI.
d) Congress wanted to control who went to war for the U.S.

Answer : B ) Bot enough men signed up to fight in WW1

Explanation : “ Despite Wilson’s effort to improve military preparedness over the course of 1916, at the time of Congress’s war declaration the U.S. had only a small army of volunteers—some 100,000 men—that was in no way trained or equipped for the kind of fighting that was going on in Europe.
To remedy this situation, Wilson pushed the government to adopt military conscription, which he argued was the most democratic form of enlistment. To that end, Congress passed the Selective Service Act, which Wilson signed into law on May 18, 1917. “

Explanation:

The Columbian Exchange is extremely important on many levels. The primary sphere of relevance is that it marked one of the first moments where there was a pure exchange of ideas, livestock, food, and goods between the world of "the West" and the "New World."