Which is not a major form of technological advancement? improved methods based on scientific study
labor-saving devices
the application of new scientific knowledge to production techniques
labor unions

How can we stop u.s. military drone strikes from hurting innocent people

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.

How was the u.s. economy different from european economies following world war 1?