Grant was commander of the union army.
In the US Civil War, it was the Confederate General Robert E. Lee, not the Union General, who surrendered.
The Civil War led to the end of Slavery.
General Robert E Lee surrendered his Confederate army to the Union led by Ulysses S. Grant. Essentially the end of the Civil War.
U.S. Grant
Grant
George Washington led the Union Army during the Civil War, before he became the first President
The Union became overconfident during the Civil War, which led to some lost battles, but they quickly recovered and went on to win the war.
Ulysses S. Grant
Ulysses S Grant, who went on to become President.
collapse of the Soviet Union
They had to stand against the cavalry raid led by Union General in 1865 during the last stage of the Civil War in order "to Leave Nothing for the Rebellion to Stand Upon".