Final answer:
The most positive aspect of Presidential discretion in military action is a Quick response to threats, avoiding bureaucratic delays and potentially resulting in more effective decision-making. Options A, B, and C.
Step-by-step explanation:
The positive aspect of a President being able to act militarily without Congress would be a Quick response to threats.
This direct presidential action, based on several powers including waging war, means the President can move swiftly and decisively in times of national emergency or threat.
The ability to respond quickly is critical in situations where delays could result in harm to national security or missed opportunities to address threats effectively.
Moreover, such action could potentially avoid the bureaucratic delays inherent in group deliberations and thereby enhance the potential for effective decision-making.
Nonetheless, it's important to remember that while swift action can be beneficial, it is also subject to checks and balances through potential court challenges, legislative reversals, or revocation by successors.
The War Powers Resolution also outlines the roles of the Presidency and Congress in military actions, granting the President the ability to initiate military activities with certain limitations.
Hence, the right answer is options A, B, and C.