The discovery of enormous oil reserves in the early 1970s revolutionized Mexico's economy and political behavior, bringing soaring revenues and industrial development. The oil glut of 1981 and wild fluctuations in world prices, pushed the country to the brink of bankruptcy. George W. Grayson describes how the roller-coaster economic ride, shrill nationalism, political assertiveness, and arrogant posturing of the 1970s have given way to greater professionalism, fiscal responsibility, and a cooperative attitude towards the United States in recent times.