The Diagram is showing the importance of each feature from the lowest court level to the highest court level. U.S. Supreme Court being of highest level, U.S. Court of Appeals being of intermediate level, and U.S. District Court being of lowest level.
The type of economy that is also known as capitalism would be a "market economy," and it would be "d. How should it be ensured that goods and services are paid for?," that is not a <span>key economic question, since the consumer "answers" this. </span>
