Advances in communications technology affected World War I by allowing for A. trenches to be dug more quickly.
B. faster changes and planning in battle.
C. troops to travel with greater speed.
D. supplies to reach troops more efficiently.

B. faster changes and planning in battle.

Explanation:

Advances in communications technology affected World War I by allowing for faster changes and planning in battle.

franklin d. roosevelt

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the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.