Enconmienda differed from slavery in that the Spanish designed the system partly as an economic one, but also as a means of civilizing/Christianizing the indigenous peoples of Latin America and the American Southwest. Slavery, on the other hand, was purely an economic system and instead of encompassing indigenous peoples, it involved the forced relocation of inhabitants of Africa to North and South America.
Considering the autobiography of Lincoln, the two authors uses the same style in supporting their claims. The supporting evidence they use is strong which makes their claims logically correct. They describe it intensively and they provide great amount arguments to prove their claims