Some organs of the League of Nations are functioning till date. A few of them are ILO,WHO and ICJ etc . World Health organisation (WHO) played an important role in providing good healthy conditions to most of the third world countries . Dreadful diseases like cholera ,small pox, polio,etc were checked . In recent years WHO is fighting against AIDS and heart diseases . In Argentina Brazil and Uruguay , the WHO suggested measures and advised to start an international school for infant and child welfare at buenar aires and a public health school at Rio de jeneiro , the capital of Brazil .