Final answer:
The instruments of national power employed by the U.S. Government to achieve its strategic objectives are Military, economic, diplomatic, and informational, encompassing a grand strategy approach.
Step-by-step explanation:
The ability of the United States to achieve its national strategic objectives is dependent on the effectiveness of the U.S. Government in employing the instruments of national power, which are Military, economic, diplomatic, and informational. This covers a range of activities such as using diplomacy to rally allies and isolate threats, marshaling economic power to compel cooperation, maintaining effective armed forces for security, and leveraging informational power to influence and shape perceptions. These instruments reflect the comprehensive approach to foreign policy known as the grand strategy, which includes a wide variety of tactics from the establishment of military bases to diplomatic engagements and economic sanctions. These efforts work in concert to stabilize the international environment and promote U.S. interests abroad.