One of the major reasons for military intervention in the Great War was because of the German armament of the Mexican rebels under Pancho Villa, and the threat of the Zimmerman Telegram, which threatened the security of the states of California, Nevada, Arizona, Utah, Colorado, and the New Mexico Territory.
If Great Britain had interceded, it is most likely that the arms shipments that sparked the violence along the Rio Grande to the Pacific would have been prevented, or at the very least , alleviated....