The guilt of standing idly by will forever weigh upon us as well
Israel is the strongest power in the region and could have easily saved the lives of tens of thousands of Syrians and spared the suffering of millions. There are many reasons why it didn’t intervene, but they are the exact arguments that stopped the Allies from intervening in favor of the European Jewry.
Here are my thought on the topic:
http://www.ynetnews.com/articles/0,7340,L-4895689,00.html