The densest region of american population west of the appalachian mountains was adjacent to which river?

supplies had to travel a long distance across water on ships that were often attacked, so they did not reach europe

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation: