The standards are: 1  Research and evidence based. 2  Clear, understandable, and consistent. 3  Aligned with college and career expectations. 4  Based on rigorous content and the application of knowledge through higher-order thinking skills. 5  Built upon the strengths and lessons of current state standards.
Alfred coined the term Columbian exchange in 1972. The Columbian exchange started to connect the New and Old Worlds with the transmission of ideas, plants, animals, and diseases. Two worlds that had grown apart with very different organisms started to become homogeneous (Crosby, 1972).
A History of Disease, Food, and Ideas. Nathan Nunn and Nancy Qian. The Columbian Exchange refers to the exchange of diseases, ideas, food. crops, and populations between the New World and the Old World. following the voyage to the Americas by Christopher Columbus in 1492.