Of all the ancient calendar systems, the Maya and other Mesoamerican systems are the most complex and intricate. They used 20-day months, and had two calendar years: the 260-day Sacred Round, or tzolkin, and the 365-day Vague Year, or haab. These two calendars coincided every 52 years.
Individual rights were included in the Constitution because "b. the people demanded a listing of rights". The list of right or bill of rights was result of the proposed amendments that emphasizes rights of individuals not the rights of states.
The answer would be..
A. They are nomads who raise camels and crops in oases.
