The Mexican War was a war of conquest led by the United States to take the lands north of the Rio Grande and Gila rivers from Mexico. Even today, the debate continues as to the morality of the US invasion although it paved the way for the United States to become a dominant world power. Engaging narrative enhanced by excerpts from primary sources and images will enthrall students as they learn about the circumstances that led to the war, the people who fought it, the deciding battles, the aftermath, and the lasting impact it has had on American pop culture and relations between Mexicans and Americans.