Above: Malala Yousafz, Pakistani refugee who stood up to the Taliban in order to support a woman's right to an education. She won the Nobel Peace Prize.
When looking back on history, it's always easy to say what we should've done. It's easy to separate who was innocent from who was guilty. It's easy to say, "I would have supported the Jewish people trying to flee the horrors. I would have stood up to the majority and done the right thing."
However, at this time in history, we are again faced with the exact same scenario. Millions of refugees, who are fleeing because they don't support ISIS, not because they are ISIS, are trying to find a place, any place, where they can live beyond the ravages of war and terror. Banning refugees is detrimental to all seeking refuge, but even more so to women and children.
In 1938 (one year before WW2 started), 67% of American people supported keeping out all refugees.
In case you can't read the text below in the graphic, I've written it out. This poll was published in Fortune magazine in July 1938:
If you'd like to read a bit more on this, with a follow up poll that occurred a year later, here's an article from the Washington Post: What Americans thought of Jewish refugees on the eve of World War II