On the face of it there were many reasons why the United States and the USSR should have been eager to cooperate both during and after the war. Only together could they defeat Germany; afterwards the USSR would need American capital and goods, and this in turn would ease the problem of overproduction which would face the American economy at the end of hostilities. Neither power wanted to become embroiled in future wars, so there was considerable understanding, especially from Roosevelt, who understood the Soviet determination not to tolerate anti-Soviet regimes in eastern and south-eastern Europe. The war was promoting the expansion of the US economy but the destruction of the Soviet economy. Politically the two countries were equals but economically they were far from equal.