1. How did imperialism contribute to the start of World War I?A It forced nations to look for new sources of raw materials in Europe.B It increased competition and tension among a number ofEuropean countries.C It prevented one nation from gaining power over other nations.D It placed greater importance on national loyalties than on individual orgroup concerns.bane​

Respuesta :

Answer:

B

Explanation:

All countries wanted to prove they were better and if someone hurt someones feelings all the countrys people were willing to go to war

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