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 of
European countries.
C It prevented one nation from gaining power over other nations.
D It placed greater importance on national loyalties than on individual or
group concerns.
bane​

Respuesta :

Answer:

it increased competition and tension among number of European countries

The answer is b beacuse the U..s spent the first 20 years of the 20th century expanding territory which is the idea of imperialism