<span>A. increased trade and prosperity</span>
The United Nations was formed after World War II in order to mediate disputes among nations around the world.
The United Nations still exists today and has over 100 members. This organization has been extremely important in tackling issues all over the world. This includes the genocides in Bosnia, Rwanda, and Europe in general during World War II. The UN has also proved a forum where countries can speak about international issues, like nuclear weapons and political conflicts between different nations.
I would say a civil war or uprising.
Answer:
Lincon vowed not to restrict slavery in states where it was already present, but promised to prohibit expansion in the Western territories