How did the plantation societies of brazil and the caribbean differ from those of southern colonies in british north america?

1.European empire building caused the demographic collapse of Native American societies.
2.Combinations of indigenous, European, and African peoples created entirely new societies in the Americas.
3.Large-scale exchanges of plants and animals transformed the crops and animals raised both in the Americas and in the Eastern Hemisphere. 
4.The silver mines of Mexico and Peru fueled both transatlantic and transpacific commerce.
5.The need for plantation workers and the sugar and cotton trade created a lasting link among Africa, Europe, and the Americas, while scattering peoples of African origins throughout the Western Hemisphere.

They studied plants and herbs in medicine for remedies