Answer:
Proactive interference.
Step-by-step explanation:
Proactive Interference: In psychology, the term "proactive interference" is described as a phenomenon that occurs when an individual tends to memorize a specific list of information including formulas, words, ideas, names, or anything else that falls under a list format, and when he or she tries to remember the later part of that particular list then he or she forgets the earlier part of the list that he or she has memorized troubles or gets in the way.
In the question above, Charity is experiencing proactive interference.