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OpenStudy (anonymous):

As American soldiers traveled across the ocean to Europe, a ________ system was used for protection and rescue from German U-boat attacks.

OpenStudy (anonymous):

@XhawaiiangirlX @iGreenHacked @just_one_last_goodbye @Miracrown @HannahC234

OpenStudy (anonymous):

@redpokemon10

OpenStudy (anonymous):

hello um lem me look it it

OpenStudy (anonymous):

i cant find anything sorry maybe next time

OpenStudy (xhawaiiangirlx):

submarine

OpenStudy (anonymous):

that right i just found it

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