It made things faster, simpler, and better.
The economy was not doing well, soldiers were coming home with horrible PTSD and after-shock, the great depression was going on, etc. :)
Answer:
1787
Explanation:
James Madison wrote the constitution at 1787
During 1931-1945(world war 2) japan became to build up and later went to war with the united states (August 1941 The Battle of Pearl Harbor)
hope this help