Postive effects could be that it brings people together, gives them a community for supporting each other, focuses their attention on God. It provides a moral framework, comfort for those in need, the promise of an afterlife... and so on.
Negative effects are that the different religions can be seen to inspire conflict in the world, some might say that they focus people too much on religious things rather than on day to day things (so you lose the plot basically!).
The organization is called the League of Nations
The League of Nations was an international body created by the Treaty of Versailles on June 28, 1919. It was proposed to establish the bases for peace and the reorganization of international relations once the First World War.
The League of Nations was based on the principles of international cooperation, arbitration of conflicts and collective security. The Covenant of the SDN (the first 26 articles of the Treaty of Versailles) was written in the first sessions of the Paris Conference, which began on January 18, 1919, at the initiative of the President of the United States, Woodrow Wilson.
Masses of former slaves were needed to work for landowners, housing already existed
He was also known by the nickname of the sun king. Btw this is the 100th question I have answered!