Donald trump is predident # 45
He brought new excitement and power to the Presidency, as he vigorously led Congress and the American public toward progressive reforms and a strong foreign policy.
Answer:D
Explanation:
None of the answers explain it concisely but they need rules so that when they are doing research all procedures are the same so that results are consistent and verifiable.
Imperialism was one of the causes of World War 1. Imperialism means that two countries want to invade the same piece of land as one another. This will result in war because both countries will fight for who gets to take over the other country.
Economic competition was another cause because it was a rivalry of which countries had more profits.
Hope this helps.
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