In 1846, the Oregon boundary dispute between the U.S. and Britain was settled with the signing of the Oregon Treaty. The British gained sole possession of the land north of the 49th parallel and all of Vancouver Island, with the United States receiving the territory south of that line.
Answer:
The U.S. entered World War I because Germany embarked on a deadly gamble. Germany sank many American merchant ships around the British Isles which prompted the American entry into the war.
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"<span>a. Masters could reclaim slaves who fled to other southern states" is the best option from the list, since this was one of the most controversial acts that was one of the leading catalysts for the outbreak of the Civil War.</span>
The Everglades are wetlands in the southern tip of Florida.
Answer:
Volcanic outgassing increased the greenhouse effect.
Explanation: