So does religion. All three race, ethnicity and religion give people an identity. More and more people in the world are opting for identity as a source of a belonging they can never get from globalism. Several violent revolutions have occurred over the last quarter of a century. First came the 1979 Islamic revolution Iran in 1979, then the Taliban takeover in Afghanistan in the late 1990's.
Islamic revolutionaries rule the Sudan.
The Chechen resistance to the Russians is Islamic as is the Kashmiri resistance. But revolutions come in non-lethal forms as well. The recent Ugandan mass deaths occurred in a region that has been roiled by Christian, Islamic and traditional religious movements. But he and Engels must be ruminating about what went wrong in their theory. One thing they might consider is that all the revolutionary religious movements believe in two worlds, not one.