Is an example of complements Hope this helps:)
By giving them reservations of land.
The map shows the highest densities of populations around the world, specifically south asia(the small red area).
According to Karl Marx, the founder of communism, here are its main or defining characteristics (there are four of them):
Class Struggle,
Ending the Private Ownership of Property and means of Production,
Communism through Socialism, and
Marxist-Leninist Communism.
Hopefully my answer has come to your help.