Original sentence: The 2002 action film Windtalkers, starring Nicolas Cage, Adam Beach and Jason Isaacs, was based on the Navajo code talker operation of World War II, although it is not entirely accurate historically
Edited sentence: The 2002 action film Windtalkers, starring Nicolas Cage, Adam Beach and Jason Isaacs, was based on the Navajo code talker operation of World War II, although it is not entirely accurate historically and doesn't even attempt to explain the background and creation of the code-talkers