Final answer:
The United States took control during World War I through economic power and military intervention.
Step-by-step explanation:
During World War I, the United States took control in several ways. One of the main ways was through its economic power. The U.S. provided loans and supplies to the Allied powers, which helped them continue fighting. Additionally, the United States sent troops to Europe to fight alongside the Allies. The American entry into the war played a significant role in tipping the balance of power in favor of the Allies.
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