The main way in which the Aztecs used slaves to benefit their economy was for mining purposes. There was not a lot of field work to be done, so most slaves were employed in hard labor.
The correct answer should be the Olmecs
The Olmec civilization is considered to be the mother culture of the later cultures like Maya and Aztecs. They were thriving but had a decline and the civilization ended completely, but its cultural influence was left on the area and on future civilizations.
The test they had to take was extremely difficult. Hope this helps!
The Supreme Court can review and determine whether law are constitutional or unconstitutional.