Garfield did not consider Lincoln particularly worthy of re-election , but no viable alternative seemed available . " He will probably be the man , though I think we could do better . " The Ohioan attended the party convention and promoted Rosecrans as Lincoln 's running mate , but delegates chose Military Governor of Tennessee Andrew Johnson . Both Lincoln and Garfield were re-elected . By then , Chase had left the Cabinet and had been appointed Chief Justice , and his relations with Garfield became more distant
the party convention
1864 National Union National Convention
James A. Garfield