What was the initial response of the united states to the german campaign against european jews?

America initially did nothing except opening its borders to fleeing jews and granting them sanctuary.

Explanation:

In the beginning of the war, America stayed neutral to the war in Europe. When Hitler began to persecute the jews in Nazi occupied territories, some high valued jews fled Europe and most of them ended up in America where they were granted asylum. Example of such notable jews include Albert Einstein, Neils Borh among others.

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