Worth 30 POINTS!! !PLEASE HELP

What led to the creation of suburbs in the early 1900s

How did the new working class of the industrial revolution differ from the working classes of the earlier, farm based economy?

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