Three cities in the Sudan Region of west Africa that proposed as a result of the reopening of the trans-Saharan trade routes in the eighth century .

i believe that the answer to the question provided above is that the role of campaign committees is to act as a bridge between state and local campaigns.

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.

answer; the region experienced a surplus of food;

answer; english speaking;