The expansion led to <span>the invention of a money system. The expansion allowed many traders from China to exchange goods and services with traders from other nations. In order to make trading process became fairer to both sides, a money system is needed as a form of valuation on a certain products/services.</span>
Explanation: The passage seems to praise Ramses and portrays him as an influential figure. It also brings up the structure he built, so therefore B would be the most fitting answer.
