Question

New technology like machine guns in World War I helped lead to: A. the complex system of alliances. B. offensive tactics that favored infantry charges. C. the system of trench warfare. D. a quick victory for Britain and France.​

Answer 1

Answer:

C. Trench warfare

Explanation:

A's incorrect as alliances have existed for thousands of years

B's incorrect as an infantry charge's greatest weakness is the machine gun for obvious reasons

D's incorrect as both sides had machine guns, and was not the reason for victory.

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This leaves C, which makes sense as troops would be forced to hide on lower ground due to the deadliness of machine guns