United States involvement in the Mexican Revolution with its diplomatic and economic rivals in Mexico, particularly Great Britain and Germany, meant that foreign powers affected the way the Mexican situation played out. When U.S. agents discovered that the German merchant ship, the "Ypiranga", was carrying arms to Huerta's regime, President Wilson ordered troops to the port of Veracruz to stop the ship from docking. The U.S. did not declare war on Mexico city but the U.S. troops carried out a skirmish against Huerta's forces in Veracruz. The "Ypiranga" managed to dock at another port, which infuriated Wilson. On April 9, 1914, Mexican officials in the port of
1st Marine Regiment (United States) a combat force in the so-called Banana Wars, in the Caribbean area. The first of these engagements occurred in April 1914, when the regiment landed and seized the Mexican port of Vera Cruz. They next participated in the Haitian campaign (1915–1916) and the Dominican Republic campaign (1916). On 1 July 1916, this organization was re-designated as the 1st Regiment of Marines. In December 1918, the 1st Regiment returned to the Caribbean and was deployed to Cuba for approximately six months. Following its second Dominican tour of duty, it was deactivated; but it was subsequently reactivated at Quantico, Virginia on 15