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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roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.

the correct answer is:   "   3.6 % " .

          →   the unemployment rate is:   " 3.6 % " .

explanation:

to calculate the "unemployment rate" :

the "unemployment rate"   =

  [# of people unemployed] /   [working age population]   * 100 %   ;

                =   [9 million] / [250 million]     *   100 % ;

    →     note:   the units of "million" cancel out;

                    since:   " {million} / {million} = 1 " ;

                =   (9 / 250)   * 100 %   ;

                = 0.036 * 100 % ;

                =   3.6 %

answer:   the unemployment rate is:   " 3.6 % " .