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US Grant served in the Mexican War. His position was in the Quartermaster Corps. As an aside, Grant wrote later that he was against that war and saw it as a "land grab" by the US.
Generals Lee and Grant were each in the Mexican War as US officers. Later they both were in the US Civil War as opponents.
When General US Grant was serving as a junior officer in the Mexican War, his experiences there caused a problem for him in the US Civil War. In the Mexican War, frontal assaults were successful. When the US Civil War was underway, Grant recalled how effective frontal assaults were in the Mexican War. In the US Civil War, military changes caused Grant to use the tactics he learned during the Mexican War. The advent of the mini ball changed the value of the frontal assault. It increased the range of riflemen in such a way that entrenched mini ball rifles reduced the numbers of troops that were shot long before they could reach the defenders. Grant also saw in the Mexican War that the Mexican armies never displayed the tenacity in battle as did the Confederates. He therefore underestimated the will to win that the Confederacy displayed despite the overwhelming odds against them.
Both Lee and Grant, but there were numerous Mexican American War Vetrans involved in the US Civil War..
US Grant served in the Mexican War as a quartermaster, taking part in several battles including Monterrey and Vera Cruz, and twice brevetted for bravery.
The 4 us presidents who were mexican american war generals for the u.s. were:Zachary TaylorMillard FillmoreFranklin PierceUlysses S. Grant
US Civil War General US Grant began his career and battlefield experience in the Mexican American War. His first post was at Corpus Christi, Texas.
General US Grant was 39 years old when the US Civil War began. He was a West Point graduate and served in the Mexican War. He signed his commission as a captain in 1854 and went into private life.
Mexican- American War and the Civil War.
There were many Civil War Generals who served in the Mexican American War. Among them were Robert E. Lee, US Grant, William T. Sherman, Winfield Scott
They gained California I think
what did the US Grant do after the war