kublai khan grandson of ghengish khan was first mongol to rule whole china ......he began yuan dynasty in which many reform were made especially in trade and deplomatic relationship and expanded his kingdom
to the south
I dont understand your question
Frederick douglass provided audiences with a first hand account because he used to be a slave but he was freed
The civil rights activist who wrote that essay was Henry David Thoreau, famous transcendentalist writer who opposed his government and its behavior towards other nations, classes, races, etc.