Answer:
The US recruited troops to fight in World War II.
Explanation:
The US were uninterested in World War II until the Japanese bombed the American fleet in Pearl Harbor, Hawaii, on December 7, 1941. This led them to enter into the war.
At this point in time the US began mass recruitment of troops to fight the war which led to the military growth and expansion of the United States.
Answer:
The cotton gin was a very important technological adcance in the industrial revoulution because it significantly increased the coton production.
The telegraph improved comunications and started the era of information
Explanation:
have a great day
Switzerland would be the correct choice i just took the quiz and got it right