A large majority of German Jews acted in their best interests, they left Germany. Unfortunately some could find no where to go, and many were able only to flee to countries like France and Poland, which later fell.
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There is the famous story During WWII of the ship full of jewish refugees that came near the USA-- but was returned to Europe and its fate.
However, this was during FDR's democratic administration. So why don't the democrats get unending grief for this injustice.
Because the story was the same everywhere, and across parties in the US. It's not like the Republicans (or anyone else) cared.