Answer:
d because they will lay off the cheapest workers so they can still function
The correct answer is c, it introduced systems of mass production
First, the Union had the large population, people to fight in the war and work in the factories to make war materials. The North also had the industrial base, the factories to make these war materials. The Union also was wealthier than the Confederacy and could finance the war. ... But the Confederacy had advantages, too.
Trad is a form of currency. Trade also show how wealthy a person was in the mayan civilization.
The arms race was a part of the cold war so America and Soviet Union were fighting over the type of government.