Four of the earliest agrarian societies developed in fertile river valleys. Since people had already tamed plants and animals in those areas, societies had a head start. The first of these was in Mesopotamia, where Iraq is today. The land between the Tigris and Euphrates rivers was especially fertile
Limited: US, Germany, Brazil, etc, etc: basically most of the countries on earth.
Unlimited (it's when the government has an unlimited power): Today probably only North Korea, and probably Vatican in a way. Also Brunei is an absolute monarchy, so it's at least on paper an unlimited in some sense of this word.
Were mammals because we have hair and give birth to the womb
It was bought to help expand territory in the United States, Louis & Clark went to explore the territory, Thomas Jefferson who was president at the time purchased the land, They were trying to buy more land from the French but the French realized it was a scam, the borders were from colorado to arkansa.
The right answer is consistency. This is the tendency to be congruent with our thinking and our behavior to have a balance or mental homeostasis. This tendency motivates people to take actions. This is the opposite of cognitive dissonance, where there is an inconsistency between thought and behavior.