After the bombing of hiroshima hope this helps! :))
I believe that they were actually labeled as observers. Or are there multiple choices.
The statement that provides the most accurate description of the Columbia Exchange is E. African population to the Western Hemisphere; Western Hemisphere food to Europe and Africa; African and European diseases to the Western Hemisphere. The Western Hemisphere had very arable land and thus was a great source of food and agricultural materials for the more populated Europe and Africa. European settlers used slave labor in the Western Hemisphere to harvest that food, labor that came in the form of African peoples. However, the indigenous peoples in the Western Hemisphere were not accustomed to the diseases of Africa and Europe.
He combined vertical and horizontal integration.
