Generally speaking, it would be "health care" that would be provided by the government to the people in a socialist system, although it should be noted that this depends heavily on the extent of the socialist government.
I would say the agricultural aspect of how the Mayans grew their crops. I learned this unit just a few months ago and even a bit before. This article has a lot on the Mayan culture.
Source: www.history.com/topics/maya
Below are the choices:
<span>The climate cooled and many tropical areas experienced freezing temperatures for the first time.
Rainfall gradually diminished and areas that were once grassy and forested became deserts.
Volcanic activity turned much of the area into lava fields where few life-forms could survive.
Rainfall gradually increased and desert areas eventually became rain forests
The answer should be </span><span>Rainfall gradually diminished and areas that were once grassy and forested became deserts.</span>
A. Original sin
This should be the answer