How did Mesopatamnia's fertile soil affect the growth of civilizations in the area?

While Mesopotamia's soil was fertile the region's semiraid climate didn't have much rainfall with less than ten inches annually .

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