To get to better land to farm I think! I hope this helps!
Answer:
Lack of education.
Explanation:
The civilizations of pre-Columbian North America not advance further in technological achievements because they lack of education and no contact with the external world. they used old means of agricultural methods for the growing of crops. At that time, the Europe was also passes through its dark age and no new technology was invented and also no European discover the New world yet.
<span>Mesopotamia's soil was uniquely fertile, which gave humans reason to settle in the region and begin farming. As early as 5,800 B.C.E., people were living in the area known as the "Fertile Crescent" to take advantage of the rich soil. The soil's richness came from runoff from nearby mountains, which regularly deposited nutritious silt onto the river floodplain. This region stretched from modern-day Kuwait and Iraq northward to Turkey. Before the settlement of Mesopotamia, neolithic humans were largely hunters and gatherers who did sporadic farming. Mesopotamia's unique fertility allowed humans to settle in one place to farm</span>
The answers to your question are,
1. To reduce the amount in blocks or sizable amounts - Decimate
2. Food and drink; necessary foods in order to stay alive - Sustenance
3. The ancient power structures which were cities that were fortified into independent units of strength - City-States
4. Being into nobility or of a privileged upper-class - Aristocratic
-Mabel <3
