Answer:
A tall tale is a story that is very hard to believe that it happened.
Step-by-step explanation:
A tall tale is a story or statement that is hard to believe due to how it developed, wherein comparison with the things that someone had experienced, or heard it is really hard to believe that what was said or told is true. In the article where some historians believe that colorful bed linens helped the slaves to be free, we can see a clear example of a tall tale due to the little information that there is to conform this added to the fact that it is not something usual.