Answer:
IMF which stands for International Monetary Fund
Explanation:
International Monetary Fund (IMF), it is the international organization comprise of the 189 countries, who are working in order to foster the corporation of the global monetary, reduce poverty, promote high employment, secure financial stability, sustainable economic growth, and facilitate international trade.
So, the following mentions,key as well as vital roles or the purpose or motive, which are promote international monetary, establish the multilateral system of payments., promote exchange stability are of the IMF (International Monetary Fund).