Answer:
in sub-Saharan Africa AIDS is the leading killer and a large reason for the high transmission rates is because of the lack of education provided to youth. When infected, most children die within one year because of the lack of treatment.
The Confederation was unable to meet its obligations because it did not have the authority to pass tariffs or to order the states to pass tariffs. As a result, it faced trade problems with countries and among states, war debts, and a weak economy.
A monarchy is ruled by royalty, a king or a queen.
The answer is A. A king or queen rules
One very famous, perhaps the most famous way was through improvised vaccination. Specifically, George Washington ordered his healthy men to be injected with substance taken from the wounds of the sick men during a smallpox infection.
A risk was that those men would get sick just like the the sick men did, but the the potential reward would be that they would get sick in a controlled way and that they would be able to fight this disease.