Answer:
Americans were ration on oil and other energy resources.
Step-by-step explanation:
In United States the prices of gasoline for example is very expensive, in fact the people has to create a planning to use their cars.
The oil resources around the world have a price associated to produce it. Each country in the world have politics abut production and economics matters.
For example in Venezuela the price of Gasoline is very low since many times ago because it is a politic of states but the crisis is comming because in the actual econmic world it is not possible, it has been produced a poor industry.