What kind of technological advances did Nazis have during WW2?

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.

Which statement best describes a major advantage of a confederal system of government over a unitary system

Ahistorian who compares the expansion of political systems to the expansion of economic systems is organizing history by