Why Is It Often Difficult to Distinguish Between a Purely

Why is it often difficult to distinguish between a purely religious conflict and a conflict mired in ethnic or class issues?

A) Even when religious factions clash, underlying issues such as power and land rights are often equally involved.
B) Few people can clearly identify the differences between religions, let alone identify outside factors.
C) Historians often misrepresent the true reasons behind global conflicts.
D) Most religions do not want to be identified as being involved in conflicts.