To build the city they wanted the Aztecs knew they would need people skilled in certain areas like engineering, building, and trading. How did they solve this problem?

A. they set up a system of public schools mandatory for all children

B. they sent all of their wealthiest boys to school and trained them for the jobs they would be good at

C. they made the slaves go to school and do all of the hard laboring

D. they made all boys go to school while the girls took care of the home