What were the two goods traded between northern africa and the niger river empires?
a. gold and silver
b. slaves and salt
c. gold and salt
d. slaves and silver

The two goods traded between Northern Africa and the Niger River Empires were:

gold and salt

Explanation:

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his