It was a system of direct democracy<span>, in which participating </span>citizens<span> voted directly on </span>legislation<span> and executive bills. So i would go with D) to discuss and vote on laws and policies</span>
The answer is C.
As a science website says, "Scientists think they know why the Ancestral Puebloans disappeared. The primary culprit, studies suggest, was a megadrought that would have made it impossible to grow enough food to feed the tens of thousands of people living in the region."
If you didn't know, drought represents the lack of rain.
Mercantilism is basically when a country sends an explorer to claim land and then the country uses the claimed land to make money in order to send home. I hope this makes sense please comment me if you need further clarification