Which number represents the region of the United States that contained MOST of the nation's industry at the end of the 1800s? A) 1 B) 2 C) 3 D) 4

did you check the study guide?

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."