Could someone me with this one simple geography question? i can't decide between b) or d) (picture attached)

i only have few minutes according to the map above, which shows religious cultural regions, what two religions are most commonly practiced in africa? a. christianity and buddhism b. buddhism and hinduism c. islam and christianity d. hinduism and islam

what events in mexico's history might explain why the country continues to have difficulty improving social justice and economic opportunities for all people?