Why did some Americans begin to question the existence of slavery in a land that was fighting for its freedom? PLEASE HELP.

Some slaves bought their own freedom from their owners, but this process became more and more rare as the 1800s progressed. Many slaves became free through manumission, the voluntary emancipation of a slave by a slave owner.

Explanation:

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explanation:

-an amendment is proposed.

-two-thirds of congress must approve.

-thee-quarters of states must approve.

-the proposed amendment becomes law.

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