in a federal system of government, power is

A federal system of government is one that divides the powers of government between the national (federal) government and state and local governments. The Constitution of the United States established the federal system, also known as federalism. ... Only the federal government can declare war.

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he didn't think it was ethically wrong. he thought it was not going to work and it was not going to be of any assistance. he wrote about that in his memoirs.