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).
Columbian Exchange The Columbian Exchange was a process that took place after Columbus came to the Americas. People, plants, animals, and diseases were exchanged between the Americas and Afro-Eurasia. Old World and New World From the Old World, Europeans brought animals, plants,and even diseases to the new world.