Answer:
The four General causes leading to World War I were nationalism, imperialism, militarism, and alliances. Nationalism caused many small countries to rebelled against imperialism and seek their independence. A focus on militarism meant that they have the means to cause great harm. The final event that led to the beginning of war was the assassination of Austria-Hungary's Archduke Ferdinand. Once Austria declare war on Serbia, the alliances that had been agreed to over the proceeding years obligated several other countries to go to war.
Explanation:
