Bills of made it easier for merchants to do business in different locations because they could be cashed in various cities. a. capital
b. circulation
c. exchange
d. trade

The answer is C.exchange

try something like republic or democracy joined or something because its talking about a election party.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.