The treaty of versailles was set up by the british parliment and it included harsh terms which caused germans to feel outcheated their territory and they were worrying about the effect of the repayment on their economy. It was the main cause of all tensions in Europe
The first amendment gives freedoms to many things like freedom to write or to speak out and freedom of your religion.
If you don't remember the first amendment that include your freedoms then you would think that you can't believe what you believe but you can I want to say somthing say it!!
The presidential elections
It happened after ww1 and was influenced those from the war. The war had people see more violently and thus this art appears more of less like dada are but more violent.
Hope it helped.