Which of following was not part of the Compromise of 1850?

The Compromise of 1850 ended the slave trade in Washington, D.C., but it did not abolish slavery there. It also admitted California as a free state, strengthened enforcement of the fugitive slave law, and settled the Texas–New Mexico boundary largely in New Mexico’s favor. So the statement that slavery would be abolished in Washington, D.C., was not part of the compromise.

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