World War One was the explosive result of tension building between countries in Europe. Imperialism created power struggles, competition and rivalries among the countries in Europe. Militarism started suspicions among European countries. Nationalism sparked the desire to fight for a home country in many people. Alliances among countries were informal, secretive, and extremely entangled. Imperialism, Militarism, Nationalism, and entangled alliances are the four main long-term causes that would create World War One.
Imperialism is the act of creating an empire by colonizing other countries…
