Trade is very important in attaining not only raw materials, products, and food for oneself, but also in alliances, politics, and foreign policies. Constantinople was a key trade city that linked Asia and Europe together, as well as serving as the capitol of the Byzantine Empire. Because of the traffic as well as the ability to provide security and as a growing market, Byzantine was able to become rich and grow steadily.
One impact that the French fur trade had on Native Americans was for settlers to take over the lands of the natives to be able to hunt the beavers and other animals used for furs.
Answer: The Black Plague was a pandemic through out Europe that lasted from 1346-1353 and killed 25 million people. The positive effect it had for poor people was an end to feudalism and increased wages and innovation.