The first world war, they used machine guns, tanks and more new technology to fight in the war
Answer:
C. The Soviet Union became an ally of the United States and Great Britain during World War II
Explanation:
Answer:
After the last expansion, gold was discovered at Sutter's' Mill, bringing many more Americans from the East, and benefitting them greatly, even bringing in people from outside America. This revolutionized America's economy. Manifest Destiny brought money, land, resources, and a strengthened economy to the Americans.
Explanation:
