THE 1970’s have seen radical changes in American society. The energy crisis has changed the perception of man’s relation to his material environment. There have been rapid, interacting changes in the family, the economic role and status of women, and the birth rate. And sectionalism, a half-remembered concept in poor repute among historians, has reemerged as a force in national politics. Once again North and South, East and West engage in shifting alliances over the pricing and management of resources, over labor issues, over monetary and fiscal policy, and over regional improvements.