C
because civilization has to do with a very organized Society
The correct answer is The U.S. currency has a predictable value.
Explanation: The reason why the United States has a fiduciary monetary system is because they has a predictable value in the future.
The correct answer is (b.) fixed cost. Fixed cost is a cost that stays constant or a process. This is an indirect cost that does not vary with the level of good and services that are produced by a business.
