Serbia had Russia as an ally. Russia with its massive number of troops took action and led its troops to Austria’s borders. The British minister and Italian government urged Austria and Russia to negotiate but it was too late. The war had been set. Leaving Europe ready to collapse into this conflict. 

 By 1914 Europe was divided into 2 separate rival groups. There was the Triple Alliance, which  included Germany, Austria-Hungary, and Italy. As well as the Triple Entente which included Great Britain, France, and Russia. 

WW2 Germany’s invasion of Poland: Soviet dictator Joseph Stalin signed a ten-year nonaggression pact with Hitler. Hitler promised him territory even though Stalin wasn’t eager to join with the West. Germany and the Soviet Union agreed to divide Poland between them. When this pact was signed Hitler wasted no time. He set in potion his attack on Poland on September 1,1939. He used German tanks and troop trucks. Once Poland fell Hitler claimed the west side of it while Stalin kept the eastern side and sent his soviet troops. While also conquering/taking northern countries in Poland. (Making Lithuania, Latvia, and Estonia fall) France and Great Britain declared war on Germany on September 3.

WW2 Japan’s attack on Pearl Harbor: On October 1940 America had finally defrased one of Japan’s code messages and became aware of what Japan wanted to do. Japan wanted to conquer European colonies but this would harm the Philippines of America. To stop them the U.S. government sent help to strengthen China’s resistance group. In July 1941 Roosevelt cut off oil shipment to Japan but that didn’t stop them from conquering. Japan wanted to have as much power as Europe and wanted to surprise the U.S. They attacked the British and Dutch colonies in Southeast Asia. Admiral Isoroku Yamamoto attacked the U.S fleet in Hawaii on December 7,1941. They had sunk/damaged more that 19 ships, more than 2,300 Americans were killed. The next day Congress quickly accepted his request for a declaration of war on Japan and its allies.