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).
The Columbian Exchange explains why Indian nations collapsed and European colonies thrived after Columbus's arrival in the New World in 1492. The Columbian Exchange explains why European nations quickly became the wealthiest and most powerful in the world. The Columbian Exchange explains why Africans were sold into slavery on the far side of the ocean to toil in fields of tobacco, sugar, and cotton. The Columbian Exchange even explains why pasta marinara has tomato sauce.