I’m pretty sure that it’s either 1492 or 1178.
Sorry I don’t know for sure.
Well I think the answer might be D.
Herjólfsson later sold his ships to Ericson, who sailed west intentionally and was not blown off course trying to reach Greenland after meeting King Olaf, as in the
Saga of Eric the Red
. With wood being in very short supply in Greenland, the settlers there were eager to explore the riches of this new land. Ericson explored this coast and eventually established a short-lived colony in what he called Vinland.
The answer is C: they could be bought and sold like goods.
In Aztec social hierarchy, people who are called "Serfs" are the ones expected to support the upper class. They belong to the lowest social class in the Aztec culture and required to do labors for the nobles. As for the Incas, "Commoners" (farmers, artisans, servants, etc.) are required to support the higher class for they do not practice slavery. Majority of Inca's population belongs to the commoner class.