Answer:
In 1828, the Mexican government sent General Manuel de Mier y Terán on a mission to determine the United States-Mexico boundaries between the Red and Sabine rivers. Mier y Terán’s mission also included studying the number of Anglo-American settlers in Texas and determining the attitudes of those living in Texas.
Explanation:
Answer:In the context of the American Civil War (1861–65), the border states were slave states that did not declare a secession from the Union and did not join the Confederacy. To their north they bordered free states of the Union and to their south they bordered Confederate slave states
Explanation:
Add me on snap ben_kolasa
Answer:

The most famous of all the units fighting in Cuba, the "<u>Rough Riders</u>" was the name given to the First U.S. Volunteer Cavalry under the leadership of Theodore Roosevelt. Roosevelt resigned his position as Assistant Secretary of the Navy in May 1898 to join the volunteer cavalry.