Why were Americans angered by the British practice of impressment?

Civil War

Explanation: As a cause of the War of 1812, the press gang and ship seizures caused serious diplomatic tension, and helped to turn American public opinion against Britain. Impressment was widely perceived as humiliating and dishonoring the U.S. because it was not able to protect its ships and sailors.

because it caused serious diplomatic tension

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.

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