Fully associating to your representations for positive purposes.
Stepping back from your own mental map to get distance from emotionally charged representations.
Creating empathy.
Learning things by getting valuable insights into another person's map of the world.
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
President Abraham Lincoln's Ten-Percent-Plan
George Washington used Impressment to fight the British/loyalists