Answer:
Alliances, Militarism, Nationalism, and Imperialism
Step-by-step explanation:
Modern transformation created a divide between competing states.
Triple Alliance: Germany, Italy, Austro-Hungary
Triple Entite: Russia, France, Britain
These two alliances created tension leading to WW1.
Factors leading to war:
1. Slavic nationalism and Austro-Hungarian opposition
2. Industrialized militarism
a. naval warship between Germany and Britain
b. elaborate war plans (new warfare technology such as submarines,
tanks, airplanes, poison gas, etc.)