Final answer:
The International Monetary Fund (IMF) and the World Bank were responsible for coordinating the economy during World War I.
Step-by-step explanation:
The International Monetary Fund (IMF) and the International Bank for Reconstruction and Development, known as the World Bank, were responsible for coordinating the economy during World War I.
The IMF was created at the Bretton Woods Conference in 1944 and had the primary goal of promoting global economic stability and providing financial assistance to member countries.
The World Bank, also created at the Bretton Woods Conference, aimed to provide financial support for the reconstruction and development of war-torn countries.