Most of this is doubtful. There were very few Muslims in America until we got involved in the Middle East.
And there were very few Muslim slaves. Muslims in Africa were the slave TRADERS, but most if not all of the slaves were African animists. Slavery disappeared in the Western, Christian world but was revived by MUSLIMS.
They were a problem for us in the early days of the Republic, when they would seize our ships and sell Americans into slavery. It took the intervention of the Marine Corps to end this.