Origin of naxalism?

Both have same origin while naxalites are extremists.

Though naxalism started in naxalbari, WB, Marxists(which are the moderate forms of naxalites) still ruling WB because naxalism had spread far & wide all over WB and most citizens think like and follow what the naxalites or marxists follow.

The slaves who worked under jameendars or land lords who suppressed them to the core.