How was mititarism a cause of world war l?

Militarism is "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."

It was widespread prior to World War I and it, in combination with a network of treaties, let the world down the violent road of World War I as nations were heavily armed, belligerent, and ready to fight.

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services