Imperial leaders model of trade was mainly based on mercantilism principles.
Trade was heavily skewed against the conquered lands. Finished goods were exported to the colonies while it is only raw materials that the colonies would export to the colonial master.
Spoons have been around for ages so there is no evidence of who invented it, but it just leads to ancient Egypt
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