This politician initially gained prominence after founding a law practice with Joshua Reed Giddings, which he would use to win election as attorney for Ashtabula County. After his 1868 electoral defeat by Allen G. Thurman, this politician authored a report championing the annexation of Santo Domingo. (-5[1])This politician, who rose to power by defeating Thomas Ewing, may have distorted testimony by Daniel Sickles as Chairman of the Joint Committee (-5[1])on the Conduct of War. As (*) then-president pro tempore, this politician would (10[1])have ascended to the presidency (10[1])had Andrew (10[2])Johnson (10[1])been removed (10[1])from office. (10[1])This politician nicknamed “Bluff” (-5[1])was the first namesake of an act that required Southern voters (10[1])to say that they had never (10[1])supported the Confederacy, (10[2])the Ironclad Oath. For 10 points, (10[3])name this Ohio politician who names (-5[1])an 1864 bill with Henry Winter (-5[1])Davis. (10[3])■END■ (10[6]0[2])