The creation of irrigation would have had the biggest effect on which of these? a) agriculture b) buildings c) metallurgy d) politics

How are the perspectives presented in the excerpts similar? they show the disappointment and fear mission control workers feel when the lunar module develops problems. they show the huge investment of time and energy mission control workers dedicated to the lunar module. they show how mission control workers view the lunar module as if it is the workers' very own child. they show the relief and excitement mission control workers feel when the lunar module lands on the moon.

Why did china build the great wall of china?

How did the us change it’s economy to provide supplies for the war effort?