Answer:
AIDS
Explanation:
Aids was first documented in 1981, and it was largely ignored. But by 1985, there were over 15,000(nearly 16,000) cases of it.
Answer:
Yes.
Explanation:
there are a number of reasons and small incidents before the happening of historical event. to understand a particular historical event, the historians must see the circumstances and reasons due to which the historical event occurs. There are various reasons behind the historical event so it is necessary for the historian to see that reasons in order to fully understand the event.