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
Mexican heraldry English origin. The descent of Spanish arms and titles differs from much of Europe in that they can be inherited through females. Also, illegitimacy did not prevent the descent of arms and titles. The great Spanish families believed that a family pedigree could be more damaged by misalliance than by illegitimacy. Indeed, the patents of nobility of many Spanish families contained bequeathals to illegitimate branches in case no legitimate heirs were found. Illegitimacy in Spain was divided into three categories. Mexican heraldry Mexican heraldry (in Spanish: "Heráldica Mexicana"), has no precise rules, because its evolution has been according to the