Final answer:
The key step in strategic planning that ensures focus on execution and intervention is creating, implementing, and maintaining a continuous improvement process.
Step-by-step explanation:
The key step in strategic planning that ensures focus on execution and intervention is Create, implement, and maintain a continuous improvement process. This step involves developing a process for constantly improving the execution of the strategic plan and identifying areas where intervention may be necessary. By continuously evaluating and improving the execution of the plan, organizations are able to stay focused and adapt to changing circumstances.