Could you give more details on this question?
Answer:
I'm pretty sure flooding along rivers created good farmland.
Explanation:
When rivers flood, they put silt onto soil, making it more fertile. When the flooding stops, it makes amazing farmland.
Hope this helps!
He was 18 years old because he was born in 1989 and the film came out at 2007,
so 2007-1989 = 18
Cotton Plantations I think