Consider the data for the United States shown in Figure 27.3 on page 1000. Which expenditure category would you expect to increase in the foreseeable future? What if the unstable situation in Northern...

Consider the data for the United States shown in Figure 27.3 on page 1000. Which expenditure category would you expect to increase in the foreseeable future? What if the unstable situation in Northern Africa escalates to a large-scale conflict involving Middle Eastern countries?