Answer:
The United Nations (UN)
Explanation:
After the many failures of the League of Nations, the countries involved knew they had to make a stronger league that would better protect them from war and world conflict. I believe this happened in 1945, though, not 1943.
Booker T. Washington spent his early childhood in slavery. Following emancipation, Washington (like many Blacks) felt that an education was the best way to improve his living standards, so he wanted to educate himself to improve his life.
A series of ineffective strikes and disagreements between the leaders weakened the influence the KoL had.