What were some of the most valuable commodities moving through the kingdoms in Ghana in the 5th through the 15th century?

According to the qianlong emperor, why was china not interested in importing anything else?

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?

In a modern democracy all elected officials serve for a certain number of terms then must retire a high school sophomore and a senior citizen may vote at the polls together a united states senator votes on immigration law on behalf of your mother through indirect ballot all democracies have a two chamber system of representation united states citizens live in a direct democracy