How is the aztec tribute system is similar to our current-day tax system

A strong system of laws governed the economic operations of the Aztec Empire. The main sources of income for the empire were tribute and taxation. The conquered regions paid tribute to the emperor and the Aztec citizenry paid taxes (with the exception of priests, nobles, minors, orphans, invalids, and beggars). Merchants paid taxes on the goods that they sold, artisans paid taxes based on the value of their services, and barrios paid taxes through the crops that they produced. Failure to pay taxes was punishable through slavery or the confiscation of property.

Explanation:

c) troops march forward in close formation against newer, more accurate weapons