The red scare following world war i was caused primarily by a) the influenza outbreak. b) fear of airborne diseases. c) the actions of wisconsin senator joseph mccarthy. d) fear of communist infiltration of the united states.

D)

fear of communist infiltration of the United States.

The answer is definitely D just took the test! :)

the part of the earth that is best reflected on a map is the surface. maps reflect borders of countries or territories as well as physical features like mountains.

explanation:

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer