During the middle ages, muslims made many intellectual contributions. they built upon the knowledge obtained by previous cultures. much of islam's scientific advances were based on the scientific knowledge of

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