My guess is 100 miles I hope that helps :)
population growth mmm gud one. I will just give what people dont like to hear and tht is THE AGENDA AND CONSPIRACY OF BILL GATES DEPOPULATELING THE PLANET WITH VACCINES THAT KILL YOUR CELLS .
I would go with B: terra-cotta.
HOPE I HELPED!!!
Answer:
Reconquista, Spanish Inquisition, conquistadors travel to new world, then convert the conquered colonies to Christianity