What would have most likely driven members of the bantu migration from west africa to the east and south of the continent? a: opportunities for employmentb: orders from a central governmentc: need for more fertile landd: better access to healthcare

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years