The appropriate response is the Silk Road. It was an antiquated system of exchange courses that were for quite a long time key to social communication initially through areas of Eurasia interfacing the East and West and extending from the Korean landmass.
Despite the fact that silk was surely the significant exchange thing sent out from China, numerous different products were exchanged, and also religions, syncretic methods of insight, and different innovations.
What do you mean colonies? You mean the 13 colonies?
The New World crops that added the most calories to European diets and therefore positively impacted sustainable population numbers were "<span>b. Potatoes and maize," since these were the most abundant and had the most nutritional benefits. </span>
For the answer to the question above.
The best answer I can give is letter B.
During the civil war, there was also a competition in the global market on the supply of cotton so Europe sought other suppliers from India and Egypt and this is why the price is down after 1865