Petersburg was the only way the South could get reinforcements into Richmond since the rest of the City was surrounded by Union troops.
Answer:Battle of Antietam
Explanation:The Union's important victory at the Battle of Antietam gave Lincoln enough public support to issue the Emancipation Proclamation, which promised to free all slaves in the Confederacy. A month before the Civil War began in April 1861, Abraham Lincoln talked about slavery in his first speech as president.
Freedom of assembly allows people to gather peacefully
