Nationalism-

The desire of nationalists to unite all people of a national group under a single government specifically in the Balkans, Serbia sought to unite all Slavs under its leadership; this ambition was supported by Russia, but opposed by Austria-Hungary and Great Britain.

Imperialism-

Imperialist nations clashed over rival claims. 1904 Britain and France clashed over control of Morocco and Egypt led to an entente.

Germany and France made compromises in Morocco.

Militarism-

Huge build up armies, fortification of national boundaries and development of an armaments race. Germany built its army and navy. Great Britain expanded its navy, all European nations began building reserve armies.

System of Alliances-

The alliance system that developed in Europe during the 1800s divided Europe into two armed camps with nations on each side committed to go to war to support their allies. Thus, the assassination of the archduke, involving Austria and Serbia, became a major conflict involving most of the nations of the world.

NIMS

How did WWI and the Treaty of Versailles change or re-establish a balance of power?

Germany, Austria-Hungary, Bulgaria, and Ottoman Empire lost territory

France, Japan, Great Britain, Belgium and Italy gained territory and power.

Germany could not even re-militarize and had huge war debt.

Changes did not ignore the causes of the war but they did not correct them