The correct one should be <span>Merchant steamships</span>
The European nations believe they needed massive armies in the early 1900s in order:
- To protect their borders.
<h3>Why European nations needed massive armies.</h3>
The European powers during the 1900s took decisions for war as a result of the growing nationalism and the competition for power and dominance.
The European leaders were actually willing to go to war as a result of their national interests and their foreign policy goals.
They needed more armies to secure their territories and borders.
Learn more about European nations on brainly.com/question/24918557