I believe the answer is A, Pollution of the environment, hope this helps :)
Not sure what the options are but there was a huge wave of immigration during that era.
Many consider the French revolution as the being the spearhead of the modern politic.
* The revolution single handedly crushed the monarchical way of politics, the aristocratic domination up to that point in France, and church domination of French politics.
*The revolution furthermore abolished the feudal system and was one of the biggest steps towards modernity through out history.
*The revolution was a successful endeavour on the part of the French people because it reformed social tradition @and the hierarchy of France.
*Aristocracy by making all men equal and the enlightenment ideals which the revolution was based on came through to a great extent and in this way the French revolution was a success
Answer: Forced collectivization of the remaining peasants, which was often fiercely resisted, resulted in a disastrous disruption of agricultural productivity and a catastrophic famine in 1932–33.
Explanation: hope i helped, tell me if u need more info! :)
