john rawlings
yes
March 1864. His previous boss, Halleck, graciously agreed to act as his Chief of Staff.
Union (North)
Ulysses S. Grant
general grant
Chief Keef
He was appointed General-in-Chief of all the Union armies in March 1864, and his predecessor Henry Halleck agreed to step down and serve as his Chief-of-Staff.
Yes, he was General-in-Chief of all the Union armies.
General-in-Chief of the US Army.
Inaugurated as President, March 1869.
Yes there is a timeline for Ulysses s grant. I know this because I research about Ulysses s grant.
Ulysses S. Grant was a Republican.