Question

Who started WW1, and with which countries did the U. S. align?

Answer 1

Archduke Franz Ferdinand started WW1

The Allies of World War I or Entente Powers were a coalition of countries led by France, Britain, Russia, Italy, Japan, and the United States against the Central Powers of Germany, Austria-Hungary, the Ottoman Empire, Bulgaria, and their colonies during the First World War (1914–1918).