The best source out of these options would be : a biography of a chicago family displaced in a fire, because this family wrote the biography and they are the witness and first person in the story.
I hope this helps!
They were hindered by economic development and lack of enforcement, so I'd say 1. Cost, because no one would pay for it.
Answer:
A free good is a good that is not scarce, and therefore is available without limit. A free good is available in as great a quantity as desired with zero opportunity cost to society. A good that is made available at zero price is not necessarily a free good.
Explanation:
The Allies learned their lesson from WWI by not punishing Germany too harshly. Instead, they focused on rebuilding Germany's infrastructure and economy and they also wanted to create the United Nations to be able to sort out conflicts between nations to prevent another war from happening