Answer:
The US became involved in new international alliances.
Explanation:
The united states couldn't let the other world power (Soviet Union) obtain any ground or allies, and in order to stop the spread of communism the US threw themselves at every international conflict possible.
Napoleon the third was elected to be president
The correct answer is D) the Columbian exchange and the Atlantic slave trade.
<em>The Columbian exchange and Atlantic slave trade are most directly responsible for major population migrations in 1700.
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The Columbian Exchange was Europe's trade with the world. It produced a global exchange of goods, people, goods, technology, and ideas. The trade transformed the life of ways people. European merchants brought to the continent grains and animals that modified the diets of many people in the new continent. The Indians learned how to use horses to hunt and get better food.
WIth the Atlantic Slave Trade, people from Europe enslaved millions of Africans that were transported to the new continent to work in the farm fields. They planted and harvested in the Americas. In the mid-1500s, the Portuguese and the Spanish brought thousands of slaves from Africa to the Americas.
The purpose of John Brown in his raid of Harpers Ferry in Virginia was to spark a slave uprising.
On October 16, 1859, the radical abortionist that was known as John Brown led a small raid on the military arsenal of the United States at Harpers Ferry.
It should be noted that the reason for engaging in the act by John was to incite a slave rebellion. He wanted to seize weapons to give to the slaves.
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