-
System of Alliance
The two major groups of nation: Germany, Italy, and Austria-Hungary; and Britain, Russia, and France. This caused conflicts between many countries because if one was in conflict with another, they'd all be tied together. -
Assassination on Archduke Ferdinand at Sarajevo
-
Use of Gas in warfare
The Germans were the first to use large quantities of gas against the French during WW1. The French line was damaged significantly but they weren't able to make use of the weakness due to the gas lingering. -
Tanks
The British made the first tank that was used in Delville Woods. The were very primitive at the time but they were very effective in destroyed barriers and barbed wires which allowed infantry to advance. -
The Treat of Versailles
The treaty was against Germany heavily because they joined the war with caused other allied to join the war. This made the war a world war. This was a cause for World War 2 because when it started, Germany actively sought to rid of the Treaty. -
Rise of Dictators
After WW1 ended, empires were destroyed and rebuilt. For example, in Russia, the czar was no longer in power and Vladimir Lenin came into power to beat the govern Russia. He made his own governing system that was the opposite to the way that the United States of America governed. This led to WW2 to see which superpower would come out on top. -
Japan invades China
The Japanese invade China caused the world war in the Pacific. -
Hitler dies.
Hitler commits suicides which ultimately led to the fall of Germany because they didn't have a leader. Not long after, Germany surrenders to the Soviet. -
The change in superpowers
The power shifted from the old great powers like England or China to the United States of America and the Soviet Union. -
The Cold War
The Cold War was a war that happened not long after WW2. The superpowers of the world had nuclear weapons and they both both deathly afraid of each other.
