Why did the Maya and the Aztecs develop calendars?

There were two main purposes of the Mayan calendar system. The first one, the sacred calendar was used to keep track of religious festivals and calculate days for them. This function was performed by the 260-day calendar called Tzolkin.

To track planetary and solar events to make most important decisions they had each year.

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.

try something like republic or democracy joined or something because its talking about a election party.