(A) Secretary of State
(B) Planned to kill the Vice President
(C) President of the confederacy
(D) ** Became president after Lincoln was killed
EXPLANATIONS BELOW
Concept note-1: -Andrew Johnson (December 29, 1808 – July 31, 1875) was the 17th president of the United States, serving from 1865 to 1869. He assumed the presidency following the assassination of Abraham Lincoln, as he was vice president at that time.