To cause a liberal revolution in Libson in1820.
It sounds like every group of the rulers that have ever existed. Politics is about reforming policy
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.
Dozens of Serbs were convicted of war crimes because they approved the policy of ethnic cleansing in the war. An ethnic cleansing is when a mass killing of people from different ethnicities or religious group is done. The correct answer is B.