Explain why robert e lee refused to command union troops

He resigned from the US army 2 days before he was offered command of the Union army (also three days after his native state, Virginia, seceded from the Union.) He opposed secession, but he was a loyal son of Virginia.

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d and a is the correct anwsers

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answer: the unlawful use of violence and intimidation, especially against civilians, in the pursuit of political aims.

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