I think that they are still beefin over what the outcome was in the korean war when they were restricted to two countries and they arnt over it
The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo, 1845–1848. ... Accordingly, while the United States extended diplomatic recognition to Texas, it took no further action concerning annexation until 1844, when President John Tyler restarted negotiations with the Republic of Texas.
The African Americans wanted to fight for the North during the Civil War. The first regiments formed with African Americans fought at the Battle of Port Hudson under General Banks who praised them on their courage against the enemy.