Explanation:
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Answer:
The British government tightened control by not allowing the settlers to move west So they were kept in a smaller place. Also the British government made the quartering act that made the colonists house redcoats in their homes.
Answer:
The attack on Pearl Harbor naval base by the Japanese Empire
Economic impact it would have on the slave owners
The correct answer should be Advances in Technology and Industrial revolution
Mexican-American war happened in the 40s so that's before 1860, while a war with Spain occurred in 1898 which is after the mentioned period. They did advance in technology exactly due to the industrial revolution. An agrarian revolution. An agricultural revolution didn't happen in the US because of the Long depression that slowed it all down.