Question

The German use of _______ caused tension to increase between the United States and Germany.

Answer 1

Answer:

The German use of war_____ caused tension to increase between the United States and Germany.

Answer 2

The German use of U-boat caused tension to increase between the United States and Germany.

Explanation:

• The Germans used their most  important naval weapon which was the U-boat. It was a very sophisticated submarine which was far superior than the ones built by other nations and it could travel underwater for two hours at a time.
• The Germans made  continuous use of submarine warfare in the North Atlantic and the Mediterranean sea which was very risky for the people and the American ships.
• The Americans ended their diplomatic relations with Germany when they formally announced their policy of using  unrestricted submarine warfare. This  caused tension to increase between the two countries.

To know more about submarine warfare

What is unrestricted submarine warfare?

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