90 points pls : what are two challenges to progress in developing african nations? a. low population growth and lack of education b. reliance of a single cash crop and high labor costs c. high population growth and lack of education d. varied exports and low population growth

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