Transportation is the most important economic factor for economic development." Do you agree or disagree with this statement? Expand on why or why not. 2.Why does the United States need a national transportation policy? What purpose does it serve? 3.What role does/or can security play as a risk management technique? Does it seem that this practice is widely used? If so, why? If not, why not? 4.Identify the Six different categories of transportation risk, describe them, and give transportation examples for each risk categories. 5.Compare and contrast pure competition with monopoly from a pricing perspective. If you were a shipper, which would you prefer and why? Which would a carrier prefer and why