Answer:
Treaty of Versailles
On the day of June 28, 1919, the Allied Nations and Germany signed the TREATY OF VERSAILLES
The incorporation of the bill of rights is a doctrine that defends that The Bill of Rights should be applicable and respected by the states of the US.
Initially, the Supreme Court was strict on this matter and the common understanding was that the Bill of Rights should only be respected and followed by the Federal Government - you can see it on Barron vs Baltimore case. After the abolition of slavery and the post-civil war era many rights were granted to people and over time the incorporation doctrine gained strength.
Because they wanted more opportunities and an end to isolationism. I hope I helped.
Im pretty sure its Florida
