- Assassination of Archduke Franz Ferdinand

- Alliance between Mexico andGermany to take over parts of theUS

- European alliances causednearly the whole world to be atwar

- Triple alliance formed betweenGermany, Hungary-Austria andItaly

- Alliance Powers

- The countries believed thatthey are better than others

- Citizens supported their country, nocountry wanted to back down from thewar.

- Germany and Austria-Hungarywere very militaristic countries

- To Keep their military power, both countriesfeel like their military force has to be equal ormore.

- The selective service act in the Statesgained them 3 million more people to jointheir army.

- European countries were attension, fighting for power andland

- Countries such as France, Belgium, Italy andGreat Britain had colonies in Africa during thescramble for Africa