Answer: The cologne
Step-by-step explanation:
Angie's angry boss cologne is the unconditioned stimulus. An unconditioned stimulus is an act or condition that triggers a response. Angie gets triggered uneasiness each time she remembers anything that scents like her boss cologne, she has gotten used to it that it reminds her of the uneasy time she has with her boss, this also creates a dreadful imaginary thought in her head concerning it.