Technically General of the Army/Fleet Admiral, depending on which division.
(Personal opinion that Commander in Chief is higher)
My bet is on B because its ture, but a is also true. but id say B to be safe, people will still buy it if it rises because it is needed. like water. Its not like 6 bucks per 30 pack here but they still sell out because its needed.
Mostly, they worked with cattle in cattle drives. Hope this helps.
Africa doesn't have a good government at that time, they were not yet colonized while Europe had a solid military, on top of that, they had a decent government and were effortlessly ready to stroll into Africa and take control of it.