Your hero, FDR, yemach shemo, could have worked with his majorities in Congress to lift the quotas and allow Jews into the country, thereby saving them. I had conversations with the Historians of the U.S. House and Senate, who confirmed this. When I asked them why he didn’t, they each quietly replied that they didn’t know.
The uncomfortable truth is that he was an anti-Semite and gladly took advice from other anti-Semites, including liberal Jews, who didn’t want to see their European brethren flooding into the U.S.