Explain in your own words what militarism is, and how it contributed to the start of WWI.

Britain felt that they were more powerful than all other countries. This provoked fierce competition and each country worked to build up the strongest military. This led to an arms race between these three powers.

Explanation:

what is militarism -- the belief or desire of a government or people that a country should maintain a strong military capability and be prepared to use it aggressively to defend or promote national interests