How did the invention of the cotton gin change the u. s from 1794 -1870 ?

One of the person important products for britain's manufacturers was

The establishment of columbia as the state capital was important because a) it was located in the heart of the upcountry. b) it was located in the heart of the low-country. c) it was already established as a vital industrial center. d) it represented a compromise location central to most citizens.

How are isolationism and nativism related ? in the 1920s what actions did americans take that reveal their distrust of others