Answer:
Nomadic people (or nomads) are people who move from one place to another, instead of living in one place. The best known examples in Europe are gypsies, Roma, Sinti, and Irish travelers. Many other ethnic groups and communities are traditionally nomadic; such as Berbers, Kazakhs, and Bedouin.
The answer is: B, D, and F
Explanation:
Alliances, Security threats, and trading relationships.
Thomas Jefferson is the best in my opinion because he knew good conflicts and other things
I don't know but what I always do is just Google it and the answer literally pops up.