According to bureaucratic theory, if expanding and growing organizations do not desire to turn out to be inadequate, they must adhere to the ideal bureaucracy structure (Choice A).While the classical management thought tackles the structural and physical design of organizations, the behavioral school focuses on human relations within organizations (Choice C). The role of a manager in scientific management is to plan and organize the work, while the role of a worker is to fulfill the duties successfully assigned to him/her (Choice D). School of Management Principles contributed to management and organization theory in two important areas. First, this school determined the management functions such as planning, organization, chain of command, coordination, and control that are still valid and important to this day. As a second contribution, this school established 14 principals of management: Division of work, authority, responsibility, discipline, unity of command, unity of direction, subordination of individual interests, remuneration, centralization, scalar chain, order, equity, stability of tenure of personnel, initiative, and esprit de corps (Choice E). Following the classical period, studies of the behavioral school’s current representatives are known as the micro-organization theory. The basic contribution of the behavioral school to the classical management theory is the emphasis on the informal aspects of organizations. While the classical management thought tackles the structural and physical design of organizations, the behavioral school focuses on human relations within organizations. The correct answer is choice B