Explain ONE way that alliances after 1900 escalated global conflict.

Explain ONE way that alliances after 1900 escalated global conflict.

Imperialism was a cause because building an empire needs manpower such as an army and a navy to conquer and keep the land that they colonised. The alliances system meant that a local conflict could easily result into an intimidating global one.

wait history, who want to talk about history, boring.