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.
I'm not sure but it sounds like something a presidential candidate would talk about.
Yes, it is true that one of the earliest human civilizations in history settled along the Indus River, since this and other people who landed there were referred to as Indus Valley Civilizations.
Have in common with what?
The Supreme Court found that states could not intervene in limiting the length of a workday.