The Civil War resulted in an economic boom for the United States, which saw an unprecedented industrial development in which part of the country?

do you have a list of sources to choose from?

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.

to find facts and details to use as evidence! : ) hope this .

the answer is b. hope this .