1. Causes
1.1. US involvement
1.1.1. To stop the rise of dictatorships
1.1.2. Great depression
1.1.3. Pearl Harbor
1.2. Axis Forces
1.2.1. Expansion of territories
1.2.2. Dictatorship
1.2.3. Germany is upset over snactions of Treaty of Versailles
1.2.3.1. Treaty of versailles
1.3. Allied Forces
1.3.1. Acting against Axis threats
1.3.2. Germany violated Treaty of Versailles
1.3.3. Germany invades Poland
1.4. Lead up to the start of World War II
2. Effects
2.1. Growth
2.1.1. During the war America took advantage of the opportunity to put people to work and end the great depression.
2.1.2. Advancement in new technologies to fight disease lead to less mortality rates and overall better public health.
2.1.3. English develop radar which becomes the forerunner for television.
2.1.4. United Nations is officially established.
2.1.5. The atomic bomb makes it possible for the nuclear power industry to start and it lays to ground work for future wars and threats to come from nuclear weapons.
2.2. The Axis effects
2.2.1. Germany becomes small world force just as they were at the end of the first World War
2.2.2. Germany was bombed heavily during the war and now much of the cities are destroyed.
2.2.3. Italy has democratic republic established in 1948 instead of becoming a communist state.
2.3. The Allied effects
2.3.1. The US becomes the largest world power.
2.3.2. Soviet Union pushes forward for more land and becomes an enemy of the Allies.
2.3.2.1. Communism pushes forward to new countries.
2.3.2.1.1. Leads to Cold War