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).
Quick Answer. The Columbian Exchange refers to a period in history during which numerous exchanges took place between the Americas and European, African and Asian nations. These exchanges occurred during the 15th and 16th centuries and included the exchange of people, animals, goods and information. Continue Reading