Write a 5 pages essay of What is the Columbian Exchange, and how did it

Write a 5 pages essay of What is the Columbian Exchange, and how did it affect not just Europe and the New World, but the entire planet? 
You have complete academic freedom: you are expressly allowed to develop your own views and ideas on the subjects listed below: you need not follow, the views and ideas of your instructor, or the views and ideas of other texts and academics
You must use several sources and they must include both primary sources and secondary sources