Explanation:
The development of the Atlantic slave trade forever changed the course of European settlement in the Americas. Other transatlantic travelers, including diseases, goods, plants, animals, and even ideas like the concept of private land ownership, further influenced life in America during the sixteenth and seventeenth centuries
Unequal treatment of citizens on the basis of ethnicity is a common characteristic of the political leadership in many African countries. This practice is anti-developmental (Martinussen, 1997:329–30), aggravates the problem of income inequality and leads to resource scrambles harmful to growth (Alesina & Rodrik, 1994), creating conditions for an ultimate rejection of the state by large numbers of frustrated and politically conscious people,
Well, first of all a lot of people died.
United States hope this helps!!!!