The key to stopping anti-semitism is for yidden to stop doing aveiros. Second perhaps to smartphones, the greatest spiritual calamity to masses of yidden today is zionist ideology which has impeded itself into much of the otherwise frum communities worldwide.
If a Jew thinks that the IDF or the State of Israel has any redeeming qualities (at least any more than the Crusaders or Pharaoh), they are inadvertently causing this war to continue along with the continued terrorist attacks of the past 100 years, Hashem yerachem.