The use of submarines during World War I had which of these effects? It gave an advantage to the coastal nations.
It made naval battles the key battles of the war.
It made it difficult for merchants to bring supplies to the Allies.
It prevented the Central Powers from transporting troops.

The best and most correct answer among the choices provided by your question is the second choice or letter B.

The use of submarines during World War I had made naval battles the key battles of the war.

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DodieZollner DodieZollner · Answer 2 · 2019-08-27T12:32:22+02:00

Answer:

Option: It made naval battles the key battles of the war.

Explanation:

Submarines were prominent in the WW I because they became the destroyers of the British naval ships. Submarine warfare used by the Germans because they knew, they will never be able to defeat Britain naval ships. The Germans wanted to block England from getting supplies from the United States and India ( British Empire) and choke their economy.

The use of submarines during World War I had which of these effects? It gave an advantage to the coastal nations. It made naval battles the key battles of the war. It made it difficult for merchants to bring supplies to the Allies. It prevented the Central Powers from transporting troops.

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The use of submarines during World War I had which of these effects? It gave an advantage to the coastal nations.
It made naval battles the key battles of the war.
It made it difficult for merchants to bring supplies to the Allies.
It prevented the Central Powers from transporting troops.