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Wilmot Proviso

Fistfights broke out in Congress in 1850 over whether the territories just won in the Mexican War should be slave or free—and only a last-minute series of compromises prevented catastrophe.

On a raw evening in winter of 1850, a weary-looking, feeble, and desperately ill old man arrived unannounced at the Washington, D.C. residence of Senator Daniel Webster of Massachusetts. Sen. Henry Clay of Kentucky had come to seek Webster’s help in his battle to save the Union.

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