Why was a severe downturn in oil prices during the early '80s detrimental to the soviet economy? it was an oil-exporting nation. it did not have enough oil to survive. it lost an important bargaining chip. it was an oil-importing nation.

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.

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answer: representation of human experiences

explanation:

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.