What does the poem by I. Nikitin remind you of in terms of character?

• Solution:

  The poem by I. S. Nikitin titled "Rus" can be categorized as a былина (a type of epic poem or ballad in Slavic folklore).
• This is because the poem likely focuses on heroic deeds, historical events, or legendary figures of Rus', which are common themes in bylinas.

Answer: былину