How many concentration camps did the us shut down?

The Allies liberated many concentration camps, but the US liberated two concentration camps, the recently-abandoned slave labor camp at Ohrdruf on April 4th of 1945. A few days later, on April 11th American forces liberated the camps at Buchenwald near Weimar.

answer: karl marx, max weber, and emile durkheim (the fourth could be considered georg simmel)

explanation:

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.