What effect would a nation's economic growth have on the production possibilities frontier?

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in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

a) "how old man winter was driven back " and "ormuzd and arimanes"

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