The control unit for an artificial heart was invented by Otis Frank Boykin.
When Europeans began the colonization of Central and South America, they began producing agricultural products such as sugar, molasses, and cassava. When this economic activity grew the Europeans began relying on primarily slave labor. The best answer choice for this question is B.
They protested issued complaints and grouped together to stop the government (pretty sure not 100% tho)
They wanted to form their own way