Answer:
It is C.
Explanation:
A and B are both wrong, the population before September 1939 was much higher than even Denmark's current population.
B is wrong, there was never really a huge famine in Poland, that was during the Communist Era(1947-1989).
In 1960 BCC this happened
Answer:
Without deep-rooted prairie grasses to hold the soil in place, the grass began to blow away. Eroding soil led to massive dust storms and economic devastation is your correct answer.
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Red biennium, from 1919-1920