Question

Why was Andrew Johnson selected as Lincoln’s running mate for his second term.

Lincoln hoped to show the nation that a Southern Democrat and Northern Republican could work together to end the war.
He held similar beliefs as Lincoln about emancipation and the end of the war.
Johnson was a popular Republican candidate who worked well with Lincoln.
Lincoln was forced to select Johnson to appease members of Congress.

Answer 1

He was a Southern Democrat who remained loyal to the Union; Lincoln picked him to signal national unity and broaden the ticket (appeal to War Democrats and border-state voters) — showing a Southern Democrat and Northern Republican could work together to end the war.