<prompt> Translate the following text to EnglishMkuu wa Kanisa la Roma, ambaye kwa sasa ni Papa kwa Kilatini Papa yaani baba, alitangazwa na Papa Leo wa Kwanza 440 - 461 kuwa ndiye aliyekuwa kiongozi wa Kanisa la Magharibi.  <response>: The position of Bishop of Rome as primate of the Western Church pope derived from papa, the Latin word for father, first claimed in the second century, was later asserted by Pope Leo I 440 461, who traced the succession back to St. Peter. 