*Q:* Are there any official American knights?
*A:* My reasoning: The English monarchy bestows the title of knighthood upon deserving English citizens. They only knight English people. The American government does not do knightings of its own.
The answer: no.


*Q:* Can the history of art be learned by an amoeba?
*A:* My reasoning: The history of art is the academic study of the development of human artistic expression over time. Academic study requires human-level intelligence. An amoeba is a single-celled organism.
The answer: no.


*Q:* Would a slingshot be improperly classified as artillery?
*A:*

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
My reasoning: Artillery refers to ranged weaponry that is predominantly used in breaching fortifications. Examples of artillery include: howitzers, mortars, and rockets. Mortars can have a range up to 4,680m. A slingshot is a string weapon that propels a rock or other small projectile. Some slingshots can fire projectiles up to 9m.
The answer: yes.