B.
It could result in melting ice caps, causing sea levels to rise.
Answer:
It banned enslavement.
Explanation:
There is an acronym that is very helpful for these kind of problems.
Free- 13
Citizens- 14
Vote- 15
This small device shows you what the 13 - 15 amendments did.
Slavic and Scandinavian countries are very rich in resources, and Russia wanted to control most trade in Europe until the collapse of the Soviet Union. More trade = More power and they were still recovering after the HARD losses when the Germans' invaded Leningrad and the war.