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 battle of Fredericksburg was lost by the Union because the new commander, Ambrose Burnside plans and tactics were unsuccessful.
The fertility and the environment in the Andes make it more suitable for beans, tubers, and grains. Crops grown in the Pampas include a much wider variety.
