Answer: federal parliamentary constitutional monarchy
Explanation:
They settled around the tigris river
In lots of different ways actually
Answer:
260 days 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.
Virginia, North Carolina, Tennessee, Arkansas. States in the Upper South.
