List Five Advantages to High Ground and a Defensive Fighting Position

What event started the space race and made americans feel their security was threatened a.) alan shepard's suborbital flight. b.) the launch of sputnik c.) the launch of explorer d.) the cuban missle crisis

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

Which option identifies an industrial era secondary source that used photographic evidence to expose the poverty prevalent in urban industrial centers? a. shame of the cities b. the octopus c. how the other half lives d. the dying man