To what does the term "separation of powers" refer? The division of the national government's responsibilities into 3 branches of government.

The idea that each branch of government has enough "separate" power to run the entire government.

The idea that no branch of government can check or balance the power of another branch.

The division of government power between the national government and the 50 states.

The correct answer is A : the division of the national government's responsibilities into 3 branches of government

Explanation:

The 3 branches are : Judicial, Legislative and Executive

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lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.