International organization (IOS) have become a central part of International Relation. As Hurd XXXXXXXXXXmentioned. "As interdepence increases, the importance of international organization increases...

International organization (IOS) have become a central part of International Relation. As Hurd (2014) mentioned. "As interdepence increases, the importance of international organization increases with it... IOs in one form or another at the heart of the political and economic challenges of the 21st century." (Ian Hurd 2014:1) Discuss four (4) roles of International Organizations.