What technology and knowledge did the spanish need to get to tenochtitlan

Battle of Otumba

Before reaching Tlaxcala, the scanty Spanish forces arrived at the plain of Otumba Valley (Otompan), where they were met by a vast Aztec army intent on their destruction. The Aztecs intended to cut short the Spanish retreat from Tenochtitlan and annihilate them.

a.indigo and cochineal

b.animal hides

c.silver and gold

e.cacao beans and sugarcane

i looked up you question and i found this on quizlet i hope this is one of your answer choices.

modern american cars are not available due to trade restrictions