Which was not a cause of world war ii in europe

failure of the treaty of versailles

german invasion of poland

the russian revolution

failure of appeasement

German invasion of Poland

Explanation:

Well this happened after the start of WW2 so it can not be the cause

the term is einsatzgruppen

native americans suffered high rates of poverty and unemployment.

during the late 1960s and early 1970sthe need for political militancy grew among the native americans. throughout the 1960s, they had been the nation's poorest minority group, the most deprived group, according to practically every socioeconomic measure. in 1970, the indian unemployment rate was 10 times the national average, and 40 percent of the native american people were below the poverty line.