What was the Monroe Doctrine?

A.
a trade agreement between the United States and Mexico
B.
a military treaty between Spain and Mexico
C.
a pact between the United States and Mexico to ward off European invaders
D.
a document and policy aimed at preventing European involvement in the Americas

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.