Question

Why was Robert E. Lee so idolized in the south

Answer 1

Robert E. Lee was the leading and commanding officer of the Confederate Army's (south) during the Civil War.

Answer 2

ashleynicolehamilton's answer is right. Just to add to it, Lee was respected on both sides -- he was educated at West Point in the North and was a celebrated leader with battlefield experience. But when his native state of Virginia seceded, he decided to serve his home despite his feelings that the Union should remain together.

Answer 3

Little fun fact: Robert E. Lee was Lincoln's first choice for his commanding officer.