What was the significance of the supreme court's ruling in the marbury vs. madison case?

Which of the following is an example of an iron triangle?

The authors of documents a and c define total war as

One drawback of voluntary trade is that it a. requires two groups to use a common language b. can make one group dependent upon another for necessary goods c. doesn't occur unless there is a shortage of goods for at least one group d. forces groups to rely on themselves to produce all the goods they need