Jillian, a flight attendant, is fluent in spanish. ever since she has learnt french, however, jillian finds it difficult to remember spanish words and phrases. in this scenario, jillian's failure to retrieve spanish words and phrases is most likely caused by

retroactive interference            

Explanation:

Generally, interference is of two types:

1. Proactive interference.

2. Retroactive interference.

Retroactive interference: The term retroactive interference is defined as the inability to remember old information after the formation of new information. In other words, retroactive interference plays an important role in memory as it restrains the capability of old information by new information. It holds back a person to remember old memories.

the answer would be in this answer. someone already asked the question.  

think its caste system

explanation: