Conversation so far:
which argument did the senators who opposed joining the league of nations make
Isolationists in Congress opposed further US involvement in international conflicts and viewed Article X of the Covenant of the League of Nations as a direct violation of US sovereignty.
did the us join the league of nations
The United States never became a member of the League of Nations
where the league of nations able to prevent world war 2
The League of Nations failed to prevent the outbreak of the Second World War.
when did the league of nations disband
The League of Nations was formally disbanded on April 19, 1946

Question: who replaced the league
Self-contained rewrite: who replaced the league of nations