Most of the Muslims I know are African-Americans whose ancestors have been in America for centuries.
Apparently, not 'everyone has been assimilated into this culture in the past.'
I think He would like to see them all converted to Christianity
As a matter of fact, most black Muslims were Christians at one time. Why are these US-born Americans abandoning Christianity?
Excellent question. And you're right on target. Our prisons are recruitment centers, where those who are angry and "anti-Mainstream America" find Islam an attractive alternative.
More importantly: Why are they abondoning Christianity for a "religion: that was responsible for the slave trade that took their ancestors away from Africa, and is responsible for continuing the slave trade in Africa today (as long as they are Christian or Animist Blacks)?