I think it is
c) Many cities have developed along it.
Answer:
Historians are divided over what happened to wages during the Industrial Revolution. Everyone agrees that they did increase; the question is, when. ... Most people agree that after about 1840, real wages did better. Nicholas Crafts and Terence Mills shows that from 1840 to 1910, real wages more than doubled.
Explanation:
Answer:super glue and medical penicillin
Explanation: super glue was a great way to hold house hold products together and penicillin was useful for war and home
