I guess you think Nazism is a culture too?
Islam is first and foremost a military organization.
ML/NJ
well- yes- I do think of Naziism as a culture.
And some cultures have military organization
You might want to read up on the difference between islam as a religion (common western misperception) and islam as a culture
http://www.usc.edu/dept/MSA/notislam/misconceptions.html