The Jewish state being persecuted is a reflection of extremism. ISIS and other terrorist groups have no reason to destroy Isreal but their faith, and we must stop them. However, Isreal is no saint and what they have done to Palestine is as bad as what they have suffered by far. And aferall, Israel isn't the only one suffering attacks, we must defend the other countries too.
And
>>2, nah, I don't think so. A nuclear war could mean total destruction, and nobody wants that. If there's was a chance of nuclear war, even though minimal, was in the Ukraine conflict in past months.