I think it becomes difficult because they all wanted to have more advantages than anyone else, that became too much for the country that they defeated. The Potsdam Conference became difficult because they have problems on the things that they should do with Germany that they want to completely disarm the country.
The Black Plague didn't help improve the lives of anybody - it was such a horrible disease and spread so quickly throughout Europe that it decreased the population dramatically.
Answer:
Button Gwinnett, George Walton, and Lyman Hall
Explanation:
