I'm pretty positive it was the king of Prussia
In some instances, encouraging multicuturalism is an appropiate measurement to adopt in some nations, in some others it is not.
Multiculturalism is expected to help develop national bonds as well as common goals.
However, multiculturalism is usually about inmigrants who strive to impose their ways upon their new neighbors. Division is created when any specific group refuses to integrate by not speaking the commonly accepted language or becoming part of the general culture, for example when inmigrants not only refuse to accept the same religion and holidays but they demand their own to be recognized.
Such is the situation in modern Egypt, where multiculturalism has brought conflict between Copts (Christian) and Muslim Egyptians.
Conflicts between these two factions have even escalated to violence in the last 30 years due to these reasons.
The statements that true is C. Salt was so valuable in Ghana that it was Worth in Gold
Many said that the Ghana empire was rich by handling the trade of Salt and Gold. There are no record about option A and option B.
And Option D. is definitely wrong because the Ghana Empire use Silent Trading, the trading occurred without the traders seeing each other face