Who led the Union troops at Gettysburg?
http://www.eyewitnesstohistory.com/gtburg.htm
General George E. Lee
No.
General Joseph Hooker, with General George Mead
Do you understand these sentences from the above site?
"In response to this threat President Lincoln replaced his army commander, General Joseph Hooker, with General George Mead. As Lee's troops poured into Pennsylvania, Mead led the Union Army north from Washington."
no
Look at the underlined words:
President Lincoln replaced his army commander, General Joseph Hooker, with General George Mead.