Climate differences in the United States ultimately led to what conflict? * The Revolution
The Civil War
The French-Indian War

The revolution

Explanation:

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i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.