Answer:
They used stories of fugitive slaves to gain sympathy for their cause, it also informed people about the evils of slavery.
Explanation:
The Greeks even built cities in other parts of the world so they could trade goods. They also built ships that could travel far across the Mediterranean Sea.Goods could be made in one part of the Mediterranean and sold in another. The Greeks spread their culture to other peoples by selling wine, olives and pottery.
Frederick Douglass was a major one
The answer is the North Vietnamese took over the South Vietnam spreading communism Southward and this proved the domino theory (if one country come under the influence of communism, the surrounding countries would follow).
Saudi Arabia
Explanation:
I would say Saudi arabia as it has lots of oil