It's 10 points, not 20. also, this isn't how Brainly should be used. Brainly isn't a "do my homework for me" website, it's a "help me with my homework" website. What you should do is research and write on your own, and ask for help/guidance with it on here
Answer:
migration; diffusion
Explanation:
With the migration of people from fertile areas, knowledge of agriculture spread by diffusion.
C. A person must be at least 30 years old to run for the U.S. Senate. They also have to have been a U.S. citizen for at least 9 years.
I don't think that your past should be affected by your future. This is because your past start by pointing out that your ability to envision the future is influenced by your memory from the past. This is because, you tend to use memories of past experiences to predict what your life will be like in the future. It is easier to use your memories when the future you are predicting is very close in time.
Horace Mann was advocating the education reform movement.