Answer both of them please!! Vote you brainlest

During the invasion of the soviet union, the einsatzgruppen did which of the following? killed large numbers of jews, as well as many locals. led military troops. eliminated local administration in lithuania. took over many administrative functions in the war effort. planned and organized extermination camps.

Aside from low birthrates and high death rates, what can cause a country’s population to decline

Who was at the top of the feudal system hierarchy