Similarities between interets group and political prarty

They are both organized groups, they also Influence elections, and supports candidates for elections or reelections. 

Political parties and interest groups often run campaigns completely independently of candidates, and their efforts can begin long before and last long after an election season.

The league of nations was found in 1919 to keep peace after world war l.but it failed to prevent world war ll in 1939,so in 1945 the nations of the world set up a new organization,the united state (un).since then, the un has encouraged international cooperation and worked to resolve conflict