Which of the Following Was One of the Ways in Which

Which of the following was one of the ways in which many African and Asian countries improved medical care after gaining their independence?

A) They trained paramedics to care for patients in rural areas.
B) They replaced the hospitals inherited from colonial regimes with their own.
C) They addressed the political instability that had allowed for the uncontrolled spread of many diseases.
D) They opened their first major medical schools.