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
History of the United Kingdom during the First World War attempted to leave harbour and attack the German ships, while one German armoured cruiser was sunk after striking two mines outside its own home port. In December 1914, the German navy carried out attacks on the British coastal towns of Scarborough, Hartlepool and Whitby. The attack resulted in 137 fatalities and 593 casualties, many of which were civilians. The attack made the German navy very unpopular with the British public, as an attack against British civilians in their homes. Likewise, the British Royal Navy was criticised for failing to prevent the raid. In April 1916 a German battlecruiser squadron with