Mexican Revolution revolution was in 1914, during the "Ypiranga" incident. When United States intelligence agents received word that the "Ypiranga", a German merchant ship, contained illegal firepower for Huerta, President Wilson ordered American troops to the port of Veracruz to stop the ship from docking. Wilson never actually declared war on Mexico. The United States skirmished with Huerta's troops in Veracruz. The "Ypiranga" successfully docked at another port and unloaded the arms, which greatly angered Wilson. The ABC Powers arbitrated and U.S. troops left Mexican soil, but the incident added to already tense Mexican-American relations. In 1916, in retaliation for Pancho Villa's
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