Margaret is listening to a speaker at an event in the mid-1860s talk about the need "to reunite with our brothers, north and south together again, when victory has been won over the confederacy." which one of the following events is margaret probably attending?

select the best answer from the choices provided.
a. a political speech at a meeting of copperheads
b. abraham lincoln's inaugural address of 1865
c. george mcclellan’s speech at the democratic convention
d. general lee’s speech at the siege of petersburg