Answer:
I'm sure it's (b) ✌hope this helped ya out
The correct answer is agriculture. It was made possible for people to live on a single piece of land and not be nomadic anymore in search of food. Agriculture enabled them to settle around river valleys like Nile or Tigris and Euphrates. This is the era when civilizations started rising worldwide.
A..... I learned about this last semester :)
Answer:
A.
Explanation:
Ethnic groups are like religious churches if they are in the same group they sure are to believe the same thing.
