James Garfield was the Rosecrans's chief of staff who later became a president of the United States. James A. Garfield served as chief of staff under Major General William S. Rosecrans, the commander of the Army of the Cumberland. Garfield resigned in<span> December 1863 from the Army to take his seat in the U.S. House of Representatives.</span>
If you are talking about the 1917 one, then what happened is that monarchy rule ended since the soviets, that is the Bolsheviks, took over the government and executed the royalty, declaring the party of the people as the only one who is allowed to rule the country since it represented the will of the people. The soviet union was established this way.
Are you sure you typed all the choices? All three of those things were things that happened following the German invasion of the USSR during World War II. What didn't happen was a German victory. The war between Germany and the USSR on the Eastern Front was long and brutal, costing many lives. But the Soviet Union eventually prevailed and then advanced against Germany itself.