What effect did the fall of the Russian Empire have on the allied war effort during World War I?
A) The Russian Revolution caused Allied powers to fight a two front war, in Russia and in Europe.
B) The Russian Revolution caused the war to end sooner because so many soldiers died in the Revolution.
C) The new Russian government pulled all troops from the war, creating a troop deficit on the allied front.
Eliminate
D) The new Russian government refused to surrender to the central powers, preventing the war from ending sooner.

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.