I’ve read that
Leninism is political theory for the establishment of the dictatorship of the proletariat, led by a revolutionary vanguard party, as the political prelude to the establishment of socialism.
so I think that the answer would be aristocratic social structure.
Well, I'll make a hard guess on this one. it might be the people of France after the revolution. but if you teacher says it's wrong, I'm sorry ok!!
The most important purpose of irrigation was to give water to soil and fertilize so that growing conditions were great for growing crops