▁- ▁Germany ▁Rel ations ▁in ▁Latin ▁America ▁immediately ▁prior ▁to ▁ 1 9 4 1 ▁ ▁By ▁ 1 9 4 1 , ▁the ▁US ▁was ▁supp lying ▁war ▁materials ▁to ▁dem oc ra cies ▁fighting ▁against ▁the ▁A xis ▁powers ▁under ▁the ▁L end - Le ase ▁Act ▁of ▁ 1 9 4 1 . ▁The ▁US ▁Navy ▁also ▁assist ed ▁the ▁Royal ▁Navy ▁against ▁German ▁sub mar ines ▁in ▁the ▁Atlantic ▁and ▁host ility ▁against ▁Germany ▁sp illed ▁over ▁to ▁eth nic ▁Germ ans ▁in ▁the ▁United ▁States ▁and ▁in ▁Latin ▁America . ▁Eth nic ▁Germ ans ▁in ▁Latin ▁America ▁were ▁placed ▁under ▁surve ill ance ▁at ▁the ▁beh est ▁of ▁the ▁US . ▁Eth nic ▁Germ ans ▁in ▁Latin ▁America ▁de emed ▁“ d anger ous ” ▁were ▁placed ▁on ▁the ▁Pro c laimed ▁List ▁of ▁C ertain ▁Block ed ▁National s . ▁Cre ated ▁in ▁June ▁ 1 9 4 1 ▁by ▁the ▁US , ▁those ▁of ▁the ▁list ▁were ▁subject ed ▁to ▁economic ▁san ction ▁and ▁were ▁blocked ▁from ▁doing ▁business es ▁with ▁American ▁companies . ▁ ▁R ationale ▁for ▁deport ation ▁ ▁In ade qu ate ▁American ▁intelligence ▁ ▁American ▁intelligence ▁on ▁Latin ▁America ▁was ▁very ▁poor ▁and ▁in ac cur ate , ▁thus ▁over st ating ▁the ▁threat ▁of ▁eth nic ▁Germ ans ▁in ▁Latin ▁America , ▁motiv ating ▁the ▁deport ation ▁and ▁intern ment . ▁Pre - war ▁American ▁intelligence ▁gather ing ▁in ▁Latin ▁America ▁was ▁dependent ▁on ▁emb ass y ▁c ables , ▁reports