"this great city of temixtitlan [mexico] is situated in this salt lake, and from the main land to the denser parts of it, by whichever route one chooses to enter, the distance is two leagues. there are four avenues or entrances to the city, all of which are formed by artificial causeways, two spears' length in width. the city is as large as seville or cordova … this city has many public squares, in which are situated the markets and other places for buying and selling. there is one square twice as large as that of the city of salamanca, surrounded by porticoes, where are daily assembled more than sixty thousand souls, engaged in buying and selling; and where are found all kinds of merchandise that the world affords." the passage supports which conclusion about the native peoples of the americas before european exploration? a. they had large and complex civilizations b. they had a need for european technology c. they would benefit from expanded trading partnerships d. they had great wealth derived from abundant mineral resources