The main policy changed between presidents but a lot of it was containment of the spread of communism and some intervention against soviet backed coups such as Vietnam and places in Africa such as the Congo and the third was supporting EE countries and leave them open for influence by western powers and democratic powers
Between 2008 and 2009, in order to recover the American economy that was going through a heavy crisis, shaking the international financial market, the American government invested some trillions into loans.
