How did the Europeans in Morgan’s article initially perceive Africans and Native Americans?

How did the Europeans in Morgan’s article initially perceive Africans and Native Americans? How and why did this perception change over time? How does Morgan believe Europeans justified enslaving Africans? Why, according to Morgan, did Europeans choose to enslave Africans? Again, according to Morgan, what is the relationship between gender, racism, and slavery? Are you convinced by her argument? Why or why not? Do her sources support her claims? Why? Why not?