Those who don't know history are doomed to repeat it~~ will award brainiest what does the quote mean?

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

Which of the following was a reason why the loss of alsace and lorraine to germany was a major blow to france?

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.