War & Expansion: Crash Course US History #17
Why the open web links it
Examines the Mexican-American War and U.S. territorial expansion in the 1840s, contextualizing it within broader historical and political themes.
Linked by 14 independent sites, 3 of them widely read in the 2026-10 crawl of the open web, including unt.edu, libretexts.org, lumenlearning.com, perfectionlearning.com, besthomeschoolresources.com.