World history crash course #8

The Columbian exchange, also known as the Columbian interchange, named after Christopher Columbus, was the widespread transfer of plants, animals, culture, human populations, technology, diseases, and ideas between the Americas, West Africa, and the Old World in the 15th and 16th centuries.In Europe, the main countries in the trade were England, France, Spain and Portugal. West Africa was involved in the slave trade which went to The Caribbean, Brazil, Peru and South-Eastern US.The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population.

Explanation:

idk what the "IDC" method is...