History of the United States I / Unit 11 USH1 1543 short lesson, about 20 seconds
The Thornton Affair
Captions available
The idea
In January eighteen forty-six a United States force ordered to the Rio Grande to build a fort encountered a Mexican cavalry patrol.
In practice
Shots exchanged, and sixteen United States soldiers killed or wounded.
Where people slip
Polk declared that Mexico had invaded American territory and shed American blood upon American soil.
Your place on the trail
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