The first massive outbreak of AIDS on African continent was in southern Uganda during the 1970s, where the spread of AIDS__36____ with a Tanzanian-backed rebel invasion that ___37____that country’s reviled dictator, Idi Amin. In Africa, whichhas most of the world’s polio cases, politics and armed conflict have played a major role in __39_____the polio eradicationprogram. In Nigeria, government officials __38____ the polio program two years ago after rumors spread that the vaccinecaused sterility and AIDS. Health workers sent in to vaccinate children were taunted or stoned. Countries in Northern Africa,such as Ethiopia, have suffered from severe drought. This has caused a shortage __40___ food and led to mass starvation.
36.
(A) coinciding
(B) coincided
(C) coincides
(D) coincide