Simplify the following text for a Grade 8 native English-speaking person.
Original: Eisenstein 's film , Ivan The Terrible , Part I , presenting Ivan IV of Russia as a national hero , won Joseph Stalin 's approval ( and a Stalin Prize ) , but the sequel , Ivan The Terrible , Part II was criticized by various authorities and would go unreleased until 1958 .
Simplified: Eisenstein 's film , Ivan The Terrible , Part I , showing Ivan IV of Russia as a national hero , was liked by Joseph Stalin ( and it won a Stalin Prize ) . The sequel , Ivan The Terrible , Part II , was not approved of by the government .