The League of Nations was disbanded before World War ll, while the United Nations continues to operate in the 21st century.
America did not join the League of Nations
The League of Nations.
There is not a difference unless you catch an Official League Baseball.
The Super league and the higher league are the same.
The precursor to the Current United Nations was called the League of Nations. The League of Nations was founded in 1919. When the United Nations was formed in 1945, the League of Nations basically ceased to exist.
Nothing. The League of Nations was the predecessor to the United Nations. (:
There is no League of Nations. We have United Nations
The league of nations was created out of WWI.
The United Nations predecessor organization was the League of Nations which was founded at the end of WW1 as a result of the Treaty of Versailles and managed to attract at its best the participation of 58 countries during 24 September 1934 and 23 February 1935.
Principally, peace and co-operation between nations. It was the forerunner to the United Nations.
In general those that follow union or league know the difference.
Original Answer: Because they are decades away. Improved: The United Nations are not a country. They couldn't have "joined" the League of Nations. The League of Nations was the predecessor of the United Nations - the League of Nations failed, and so, many years later in 1942 (I believe it was that year) they founded the United Nations as an improved "League of Nations."