The United States and South Africa share strong educational and people-to-people ties, significant economic and political interests, as well as common development objectives throughout Africa. ... The United States seeks opportunities for increased U.S.-South African cooperation on regional and international issues.
I think its A. The US always trifle in worldly affairs of others mostly if it benefits the US for more support.
I think the answer is c because stability influenced high school enrolment rates but for Kobe it requires a higher education rate and a highest number of students to stay in school