According to the American Republic“ World War 1 began on July 28, 1914. Its immediate cause was the assassination of the archduke, Franz Ferdinand. Other causes were imperialism, which is when one country is dominating another; nationalism, which is an intense pride for one’s homeland; and militarism, which is the building up of military weapons.” “ Alliances also contributed to the war because when they signed an alliance with another county they gave each other their help if they needed it. Then Austria-Hungary declared war on Russia. Germany declared war on France two days later; they went through Belgium, which was neutral. Great Britain declared war on Germany after France was attacked. Then Austria-Hungary declared war on England and WW1 began”(www.historyonthenet.com).
“The countries that were involved in WW1 that were Central Powers were Turkey, Bulgaria, Germany, and Austria-Hungary. Other countries involved that were allies were Italy, Japan, Russia, Romania, Portugal, Greece, and Great Britain. Some countries that were in WW1 were Belgium, Brazil, China, Cuba, Estonia, Finland, Guatemala, Honduras, Liberia, Lithuania, Luxembourg, Montenegro, Nicaragua, Panama, Poland, San Marino, and the U.S”(www.members.aol.com). According to the American Republic “one alliance that existed was the Triple Alliance which united Germany, Austria-Hungary, and Italy as allies. Another alliance was the Triple Entente which made Great Britain, France, and Russia allies.”
According to the American Republic “the U.S entered the was because of the sinking of the Lusitania, which was a British Passenger liner, sunk by Germans which killed 128 Americans. Another reason was the Zimmermann Telegram. The Zimmermann Telegram was a German Telegram to Mexico asking them to ally itself with Germany and in return Mexico would regain territory it had lost earlier to the U.S.