Worth, during the Mexican-American War.1855. Library of Congress. In 1844, President James K. Polk ran on a Democratic platform that supported manifest destiny, the idea that Americans were ...

In this archival photograph from the collection of Oregon State University Libraries and Press, some of the first Mexican ... entry into World War II presented a challenge to American farmers.

Worth, during the Mexican-American War.1855. Library of Congress. In 1844, President James K. Polk ran on a Democratic platform that supported manifest destiny, the idea that Americans were ...