Final answer:
Joining the Continental Army is not an example of Loyalists' involvement during the American Revolution, as they supported the British, not the Patriots.
Step-by-step explanation:
The correct answer to the question of which activity is NOT an example of Loyalists' involvement during the American Revolution is a) Joining the Continental Army. Joining the Continental Army is not an example of Loyalists' involvement during the American Revolution, as they supported the British, not the Patriots.
Loyalists, also known as Tories, were supporters of the British during the American Revolution and would not have fought for the Continental Army, which was the army of the Patriots fighting for American independence.
On the contrary, Loyalists served in the British army and loyalist militia units, sometimes acted as spies for the British, supported the Stamp Act through writing pamphlets, fled to British territories for safety, provided manpower for the British forces, and engaged in various other activities to support the British cause.