<span>Roosevelt asserted American power with the Monroe Doctrine. It outlined the fact that the United States would not be controlled by European countries.</span>
Answer:
When pioneers gathered their wagons together at the start of the trip, they elected a leader. This leader, or captain, would blow the horn or whistle to wake everybody up in the morning. He was also the one who decided when you would stop for lunch and at the end of the day.
Explanation:
I think the answer is between b and c. But the answer that I heard of in history class would be C. The fact that immigrants took away high paying jobs from union members.
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Answer:
<h2>B. </h2>
Explanation:
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Answer:
Volcanic outgassing increased the greenhouse effect.
Explanation: