The impacts of the black slave in the Columbian Exchange on the economic system in the new world..
ss: 1. first paragraph: Defect+research question+essay plan+argument+method(Quora)[#tag-how get those comments;why choose those comment can support research question; reduce limitation] 2. body paragraph: Concept+analysis(the online media user’s comments)+reference. each concept at least have two examples. 3. Summary: brief argument+contribution Argument need have the answer of research question and the commonality of all concepts. Here have one thing IMPORTANT: there have one reference in my proposal was denied. you can see the detail in the feedback,please help me change it. By the way, all the resources you can change it to support the concept except “Nunn, Nathan, and Nancy Qian. “The Columbian exchange: A history of disease, food, and ideas.” Journal of Economic Perspectives 24.2 (2010): 163-88.” (this is required)