The location of the first battle of Bull Run was significant because?

D -Bull Run was the first war where railroads were used to transport soldiers. It was the first battle with large scale casualties (more than 20,000 dead or wounded). it played an important role in Union progress in the Western theater, and the Union victory gave Tennessee to the North.

Explanation:

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: