Lee was now apart of the Engineer Corps as a second lieutenant. Over time Lee would climb the ranks and become a captain. When the United States went to war with Mexico in 1846, Lee was on staff with Major General Winfield Scott as an engineer. Using his engineer skills, he helped find ways around Mexican strong points so they could pass by or take over them. With Lee’s help, The United States captured Mexico City. …show more content…
Lee’s father-in-law died a year later. In order to help his family he returned to the plantation to help manage it. A few years later, Lee became superintendent of the U.S. Military Academy at West Point. He oversaw changes in curriculum and he also added a fifth year of schooling at the Academy. Later, he was stationed at a cavalry outpost in Texas for 6 years until the War Department ordered him to take care of John Brown, a radical abolitionist, and his men who were trying to seize the arsenal at Harper’s Ferry,