The Mexican-American War was a conflict between the United States and Mexico, fought from April 1846 to February 1848. ... It stemmed from the annexation of the Republic of Texas by the U.S. in 1845 and from a dispute over whether Texas ended at the Nueces River (the Mexican claim) or the Rio Grande (the U.S. claim).
Axum adopted Christianity from the Roman world in the fourth century C.E., primarily through Egyptian influence, and the region once controlled by Meroë also adopted Christianity in the 340s C.E. following Meroë's decline.
