How did John Henry contribute to the outbreak of the War of 1812?

He wrote letters indicating that New England might secede from the U.S. and join the British Empire

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.