Hey you!
B) and D) make no sense, so they are obviously wrong. It's either between A) and C).
I believe the correct answer is: A) Human demography.
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They treated Germany harshly by making them repay most of the debts from the war. Germany was broke though and couldn't.
The framers is the answer
The polar ice caps will melt and the sea levels will rise which could possibly drown some islands and parts of countries
