What is one purpose of the imagery in this poem ? apex answer

Ican’t see the poem but i can say the main purpose of imagery in any piece of writing is to make the reader feel like they are actually there.

The details that best show evidence of tribal traditions are, "never in the history of his people had a man married a woman who spoke a different tongue” and "it has never been heard," was the verdict of an old man speaking a few weeks later.