What is the one check that the courts have against the power of both the President and
Congress?

Judicial Review

Explanation: Judicial Review allows the Supreme Court to declare any law passed by the president or Congress as unconstitutional.

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Explanation:well president controls power, goverment , and laws.

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

because he created electricity