Answer:
Noun. reflex (plural reflexes) An automatic response to a simple stimulus which does not require mental processing. (linguistics) The descendant of an earlier language element, such as a word or phoneme, in a daughter language.
Think of it like this
Internal: A force inside yourself
External: A force outside of yourself
So if there an external force, it’s a force from outside so an example would be bullying. You wouldn’t want to go where you are being bullied so that would be an outside force affecting you.
Semicolons should not be used between a dependent clause and an independent clause.