-In 1937- Japan defiled the league by invading Manchuria in china.
-In 1935, Benitto Mussolini invaded Ethiopia and pulled out of the league.
-Germany violated the treaty of Vassailles with impunity.
-Nations continued to sign secrete treaties in violation of the League of Nations terms.
-Many countries associate the league with the allies and therefore considered partisan.
-USA’s rejection of the league made it weak.
-The league lacked a military wig to enforce its decision.
-The league failed to stop the outbreak of the World War II.