Danzig was important to germany because a. it was a growing communist threat. b. it was controlled by france. c. poland had valuable natural resources. d. it provided access to the baltic sea.

Explanation:

After the first World War, Danzig was separated from Germany and given to Poland which as part of the Polish Corridor provided access to the Baltic Sea.

By elimination, Danzig did not had a growing community threat and was not controlled by France. It was not part of Poland until after the first World War. So the only answer left which is the correct one is d. it provided access to the Baltic Sea.

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