Choose all that is correct about the differences between the Legue of Nations $($League$)$ and the Unifed Nations $($UN$).$

A$.$ The United States has been the most influential member country in both organizations.

B$.$ The League was a predecessor of the UN

C$.$ It is generally accepted that the League failed to accomplish its mission of world peace.

D$.$ Both organizations are prime examples of realism in practice.

E$.$ The decision$-$making process in the UN is less concensual and therefore it is easier for members to make decisions