Mezue ahịrịokwu na-esonụ: Jackson malitere ọrụ ya na United States Army dị ka onye ọrụ nke abụọ na Company K nke 1st U.S. Artillery Regiment, na-aga n'ihu site na Pennsylvania, na-agbadata Osimiri Ohio na Mississippi na New Orleans, na site n'ebe ahụ ndị agha ahụ banyere ụgbọ mmiri na Point Isabel, Texas, ma zigara ha ịlụ ọgụ na Mexico-American War site na 1846 ruo 1848. A gwara ndị Jackson ka ha kọọrọ General Taylor ma gaa ozugbo site na Matamoros na Camargo ruo Monterey ma mesịa gaa Saltillo. Tupu agha nke Buena Vista, e nyere ndị ọchịagha Jackson iwu ka ha si n'agha General Taylor pụọ ma gaa n'ọnụ ọnụ Rio Grande, ebe a ga-ebufe ha na Veracruz. O jere ozi na
Nchịkọta nke Veracruz na agha nke Contreras, Chapultepec, na Mexico City, n'ikpeazụ na-enweta nkwalite abụọ, na ndị agha nkịtị nke onye isi ndị agha. Ọ bụ na Mexico ka Thomas Jackson zutere Robert E. Lee na nke mbụ ya.