 Complete the following phrase:  During the MexicanAmerican War, Trousdale joined the Army with the rank of Colonel, and commanded the 14th U.S. Infantry. This regiment landed at Veracruz on June 13, 1847, and was placed under General Gideon Pillows 3rd Division. Trousdales forces linked up with Winfield Scotts forces on July 8, and began the march inland to Mexico City. Trousdale took part in the Battle of Contreras and the Battle of Churubusco on August 20, and was grazed in the shoulder while fighting in the 