Answer:
This is a primary source. He wrote the letter to impress the Spanish king and his court, to convey that his expedition had been a good investment because the place was rich and luxurious, that there were gold and other riches to plunder, and peoples to force into submission to the crown of Spain. It is reasonable to expect that his letter stimulated the mind and imagination of contemporary Spaniards.
Explanation:
The concept mentioned above is called World System Theory. It is produced by sociologists named Immanuel Wallerstein and for him, it is a way to deal with world history and social change that proposes there is a world financial framework in which a few nations advantage while others are misused.
It was the "c. introduction of the assembly line" that enabled mass production in the 1920s, since this meant that products could be made with a division of labor.