Original: Washington , D.C. , hosts 174 foreign embassies as well as the headquarters of the World Bank , the International Monetary Fund ( IMF ) , the Organization of American States ( OAS ) , the Inter-American Development Bank , and the Pan American Health Organization ( PAHO ) .
Simplified: It is also the home of the World Bank , the International Monetary Fund ( IMF ) , and the Organization of American States ( OAS ) .