Which of the following describes the strategic level of warfare?

The strategic level of warfare focuses on the overarching goals and missions that guide military operations on a national and global scale. It encompasses the formulation and implementation of national policy and the coordination of military actions to achieve long-term objectives aligned with a nation's interests. This level of warfare considers the broader implications of military actions, including diplomatic relations, economic factors, and the global political landscape.

In contrast, the other choices pertain to different levels of warfare. Individual battles and engagements highlight tactical considerations, while day-to-day military operations reflect operational functions necessary for executing strategies. Resource management, although important, primarily deals with the allocation and maintenance of resources rather than the overarching strategies that drive military campaigns. Thus, the emphasis on national policy and global strategy is what distinctly characterizes the strategic level of warfare.