The document discusses the major environmental conditions that shape public organizations, including: 1) general values and institutions of the political economy such as constitutional provisions, due process, and separation of powers; 2) values and performance criteria for government organizations like competence, efficiency, and accountability; and 3) institutions, entities, and actors with political authority and influence such as chief executives, legislatures, courts, other governmental agencies, and different levels of government. It also reviews theories on how organizations adapt their structures based on environmental conditions.