What correctly describes the relationship between the russian orthodox church and the princes of kiev

HI i just want to let you know i don't know if my answer is correct but i"ve been looking and cant find anything i have the question and my brother told me that the church controlled the dependent princes please let me know if i am correct. i apologize if i am wrong.

May you please put a closer picture. This will help me answer this question faster.

Thank you s much