Who tried to improve the living conditions of immigrants by establishing hull house?

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.

Why did einstein write a letter to president roosevelt

Which is an effective question for launching history inquiry related to the cold war