UN:Is the most high organisations for international existence.It do for keep the peace and international security. Promote the friendship between the nations, get the international cooperation for sort out governamental problems and to serve for center that harmonise the national actions.

 The juridical regime of the of the UN headquarters is governed for the treaty between the UN and the United States of America and the 1946 Convention of the Privileges and Immunities of the United Nations.
 The UN, with other organizations such as the Red Cross, provides food, drinking water, shelter and other humanitarian services  for populations in need, whether displaced for  war and affected by other disasters.
The money:
The United Nations has contributed eight  percent of the total share of development aid during the 1990s
OECD:
The Organization for Economic Cooperation and Development It is an international entity that brings together thirty-four countries. Its purpose is to coordinate the main policies of the member states in relation to the economy and social affairs.
According to the OECD, the United States is the main donor, followed by the United Kingdom, France and Germany.
Spain and the OECD :Spain is the OECD country with the highest percentage of aid linked or linked to its own commercial interests: the called FAD credits.
IMF :
Is a international financial whit the based  in Washington D. C.
Through the fund and other activities like as the collection of statistics and data, monitoring of the economic activities of their member countries, and the demand for concrete policies,2 the IMF works to improve the economies of its member countries.
The money :The IMF provides loans to countries in economic difficulties , but countries force them to reduce social services because are often required to reduce government spending as a condition for receiving loans.