Final answer:
The phrase that best describes George Washington in 'To His Excellency, General Washington' is stoic and resolute.
Step-by-step explanation:
The best phrase that describes George Washington as depicted in 'To His Excellency, General Washington' is stoic and resolute. In this poem by Phyllis Wheatley, she praises Washington's unwavering and determined leadership. The poem portrays Washington as a strong and steadfast leader who will guide the nation to success.