How did the expansion of Islam lead to the spread of learning ?

The Islamic religion expanded throughout much of Asia, North Africa and into Europe fairly rapidly. Starting in the Arabian Peninsula, expansion really started after the death of Muhammad in 632. Not only did the new Islamic community, or umma, continue, but within the next 200 years, Islam spread throughout much of the region.

Explanation:

nativists tried to get rid of the immigrants as they thought they were going to ruin the u.s.  

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.