Answer:
You didn't include the answers...
The answe is B becuase it doesn’t include the history of humanity just the history of science
The encomienda system was a trusteeship system used during the Spanish colonization of the Americas, conquistadors were granted the towns of the indigenous people they conquered. The conquistadors, known as encomenderos, were able to tax these people and summon them for labor.
B is your answer to the first one
A is the answer to the second one