Why did the emancipation proclamation free slaves only in confederate states?

president lincoln did not have the authority to remove property from u.s. citizens.
president lincoln did not have the authority to naturalize northern freedmen into citizens.
northern legislatures had already passed legislation blocking emancipation.
northern legislatures had already passed the emancipation proclamation.

the answer is: President Lincoln did not have the authority to remove property from US citizens.

Explanation:

The answer is A. President Lincoln did not have the authority to remove property from U.S. citizens.

I took The Test and it was correct.

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C.

Explanation:

The Americans took heed of intelligence reports and considered the Zimmerman note as a warning. Germany and Mexico were thought to become allies. I would say the answer is C.