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
Port of Galveston island's grade. As a result, the port was now considered a deep-water port and was able to handle larger ships. By the time World War I began, Galveston "was the leading cotton port in the world, the third largest exporter of wheat, and an important sugar import center." The port also became a major immigration center, with almost 50,000 people entering the country between 1906 and 1914. In March 1920 local longshoreman called for a strike, seeking a wage increase and recognition of their union, the International Longshoreman's Association. Some of the port traffic was diverted to the Port of