Identying innovations in Technology Use the drop-down menus to complete the sentences.
During the Tang and Sung dynasties, the
aided navigation for sea travel.

The development of
produced fireworks and changed warfare.
The use of
increased reading in China.
issued by the Sung dynasty made travel and trade easier for merchants.

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; obscene;

answer; mechanics;