What explains the United States rise to the industrial and economic importance in the late nineteenth century?

Which of the following descriptions is an example of the curtual diffusion

What was the difference between bombing military targets in the united kingdom, and bombing the city of london? a. bombing a city kills lots of innocent civilians, bombing a military target doesn't b. bombing military targets didn't force the u.k. to surrender, but bombing london did c. military targets were bombed by japan, while london was bombed by the nazis d. london was bombed before the u.s. entered the war; military targets were bombed afterward

Mississippi, florida, alabama, georgia, louisiana, and texas all seceded from the union. true or false ?