Final answer:
Control systems in management help with resource allocation and are usually followed by the A. planning phase where objectives and methods are defined. Planning, organizing, leading, and staffing are functions of management that interconnect for efficient operation.
Step-by-step explanation:
Control systems are essential in determining how resources are allocated and utilized, facilitating a smooth transition to the next phase of a project. The question appears to be related to the functions of management, which typically include planning, organizing, leading, and controlling. In this context, the correct answer to which phase comes next after control systems have been established is often the planning (A) phase.
Planning is where objectives are set and the means to achieve them are considered, whereas organizing (D) pertains to the arrangement of resources to carry out the plans. Leading (B) involves directing and motivating staff, and staffing (C) is about acquiring the needed personnel.