How did islamic expansion most likely affect trade in arabia?

Who introduced arabic numerals to italy, which make bookkeeping possible? a. brunelleschi b. cosimo de medici c. fibonacci d. gregory xi e. giovanni de bicci de medici

Since the 700 what was the relationship between muslims and christians on the iberian peninsula? how does this relationship impact the desire of christiannations in the iberian peninsula to spread christanity?

Quick pl which of the following historic indian cultures did hernando de soto come in contact with during his expedition? (choose all that apply) a. caddo b. quapaw c. kaw d. osage