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.

During the World War 1, technology aided countries had easy access to be able to transfer data. Also, communication was transferred easily due to the advancement in technology.

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answer is :

many churches split during the movement.

new religions grew in popularity.