When the emancipation proclamation was made by Lincoln what was the response of African Americans in the north

After January 1, 1863, every advance of federal troops expanded the domain of freedom. Moreover, the Proclamation announced the acceptance of black men into the Union Army and Navy, enabling the liberated to become liberators.

Explanation:

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a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )