I think it is B. The south was based on agriculture.
Answer-
Everyone disappeared without a trace in 1590, and only left behind 2 clues: "Croatoane" carved into a gatepost, and "Cro" carved into a tree. No one knows what really happened, but their are theories that they were attacked by local native american tribes.
Elimination of poverty and racial injustice.
A multiplication pattern would be if2×2 =4,4×4,16 so on