The ancient kingdom of Ghana was NOT O involved in the important gold-salt trade.
O in eastern Africa.
O converted to Islam.
rich in gold.

in eastern africa

Explanation:

they were in western africa

pennsylvania pennsylvania colony was a proprietary colony founded when william penn was awarded a charter by king charles ii in 1681. he set up the colony as one of religious freedom. the government included a representative legislature with popularly elected officials. all taxpaying freemen could vote.

i hope this

porter is writing economic history because he is focusing on the cost of developing vaccines.