How did nationalism, alliances, imperialism, and military build-ups contribute to the start of World War I? What alternative solutions could have been used to prevent the war beginning (based on historical evidence)? 90 POINTS PLZ HURRY

Alliances- Countries felt loyal to one another so if one was in trouble then the others would come and help out.

Nationalism- To prove that their country is the best.

Imperialism- many European countries sought more expansion

Military- Strong military force.

WWl could have been prevented since the German support from Austria-Hungary.  The "triple alliance" of Germany, the Austro-Hungarian Empire, and Italy was predicated on mutual defense, not on mutual aggression - this is what allowed Italy to abstain from the early phases of the war and eventually to join the Entente Powers.

This is the work of Veevee90, another user. Sorry 'bout the late answer, hope you got the info you needed at the time! Have a very blessed year to all who see this!

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