The u. s. entered the war in 1917 because a. germany declared unrestricted submarine warfare. b. of the zimmerman telegram. c. they sided with the allies. d. all of the above circumstances were true.
The u. s. entered the war in 1917 because a. germany declared unrestricted submarine warfare. b. of the zimmerman telegram. c. they sided with the allies. d. all of the above circumstances were true.
D-all of the above circumstances were true
d
Explanation:
d all of the above circumstances were trues
Explanation:
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