Answer:
a.England and Europe
Explanation:
Thirteen Colonies exported Fish, whale oil, lumber, tobacco, flour, rum, iron products, meat
England and Europe exported Teas, spices, furniture, cloth, tools
Africa exported Slaves, gold
West Indies exported Slaves, sugar, molasses
As of right now There are currently seven countries in Central America: Guatemala, Belize, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama.
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.