There would be two answers for this question. For the reasons that it could give people an idea of what cause the regional conflict taking place and it also influences the region's political and economic decisions. Furthermore, understanding the people on both of these regions would give us a keen understanding on how they are different from us.
Your best probable answer would be B. because tectonic plates are pretty much the reason why Central America has over a dozen mountains.
Pretoria, Bloemfontein, Cape town