What do the authors mean by "the invention of race"? What role did England and Spain play in the system of racial classification? Who were the Moors and what area of Europe did they control at the time of Columbus and for how many years? It is estimated that how many indigenous people occupied the Americas before Columbus arrived? What happens when a country colonizes another? List 3 causes of the dying off of indigenous populations once Europeans arrived in the Americas. Who was Mohtecuhzoma? What was his attitude toward Cortes upon his arrival? Who was Cortes?