Not nearly the only one. Jehovah's witnesses will go to jail before they will serve in any army.
Well, that's really funny, because I've lived in China and Vietnam and all the buddhists I knew personally made offerings to different gods in their pantheon for luck, money, a boy baby, a bigger house...never heard anything about world peace.
Well, many sects are promoting peace...it's just that they may not be the most popular groups many places...because equality and charity are much easier to talk about than promote through action.
Because Buddhist are atheists.
That's not true.