Dont remember christians going to schools killing kids...wtf are you babbling about sf1900 ? BTW christians warriors changed the world for good, not for the worst, just like it will be needed again. Sure some werent real christians and gave christianism a bad name, but it's up to you to denigrate the faith they pretended to endorse when yourself dont even know what this faith is truly about, basically being yourself a brainwashed ignorant atheist who never read the Bible in the first place before making up your mind about it.
Only lost atheists or muslims would go to schools to kill...atheists or christian , buddhist, kids. Only a lost atheist beleiving in absurdity, would go kill other people kids to release his anger/frustration. This is the definition of insanity.
I also doubt there will be more muslim terror acts in north america, as the real danger now is a population of millions of people losing their jobs, homes, families, due to the depression we re in for at least 30 years. Atheists will lose everything and will want to make the "society" pay, because atheists arent part of a society, their superficial society is only an illusion where everyone is egocentrical, cynical, hypocrit and attempts to fuck each others in the ass, the opposite of a christian community.
Japan will collapse, then europe, then the united states, and the real danger will be your atheist neighbor who once he loses all his material goods, will either choose to become spiritual again by necessity, or devolve into an animal. Odds are high most people will devolve into animals and that only a strong faithful life protecting minority will stay spiritual and survive. Then they ll have to fight chinese and muslims who will take over whole eurasia, africa and australia.