It is not that simple: you american think the world is like your movies: the good guys (you americans of course) and the bad guys(now the muslims). You want us to think that the violence is an exclusivity of the muslems ??? in the past 100 years who launched the bloddiest wars?? the muslems ???? look at WWII and WWI.
ISIS claims responsibility for bombing in Baghdad suburb; death toll hits 21 (Reuters)
from the article: Report: Iran schools teach 'war curriculum,' show West as foe