| A | B |
| Having great pride in your country. This brought unity to some countries and torn apart others | nationalism |
| European countries compete for colonies. This created an atmosphere of competition and mistrust among thos nations | Imperialism |
| To build up an army and stockpile weapons. this created tension between Germany and England as they both raced to build their navies | militarism |
| England, Russia, France and eventually Italy | Triple Entente or Allies |
| Germany, Austria-Hungary and Ottoman Empire | Triple Alliance or Central Powers |
| This was the territory that Germany took from France in the Franco-Prussian war. It created much tension between these two countries. | Alsace-Lorraine |
| This was the proud and stubborn leader of Germany during WWI. | Kaiser Wilhelm II |
| This area was comprised of Albania, Greece, Serbia, Bulgaria, and Romania. It was known as the "powder keg" of Europe because these countries struggled to gain independence from the Ottoman Empire. | Balkan Penninsula |
| He was the heir to the Austro-Hungarian throne. His assassination was the spark that ignited WWI. | Archduke Franz Ferdinand |
| This was a country in the Balkan Penninsula that was 1 of the 2 countries who started WWI. | Serbia |
| This was the 19 year old, Serbian man who assassinated the Archduke of Austria-Hungary | Gavrilo Princip |
| This is the Bosnian nationalist group that was committed to riding Bosnia of Austrian rule. The assassin of Archduke Franz Ferdinand belonged to this group. | The Black Hand |
| Means a list of demands, that if not met will lead to serious consequences. Austria-Hungary gave this to Serbia after Archduke Franz Ferdinand was assassinated. | ultimatum |
| This was the country that demanded Serbia to end all anti-Austrian activities and allow Austrian officials investigate the assassination of Archduke Franz Ferdinand. This was 1 of the 2 countries the started WWI. | Austria-Hungary |
| This cause of WWI will bring all of Europe into war because the way Europe was taking sides with one another. | alliances |