Question

The increasing spirit of nationalism in Europe and quarrels over colonies resulted in:

An increased emphasis on militarism.
A renewed emphasis on imperialism.
A warmongering effort among nations.
An interest in following a policy of isolation.

Answer 1

An increased emphasis on militarism.

Explanation: Nationalism and colonial rivalries fueled an arms race and glorification of military power (large standing armies, naval buildups, preparedness), which contributed directly to the tensions leading to World War I.