Original sentence: The film has been strongly linked to the creation of the second version of the Ku Klux Klan, which, after having been practically non-existent since 1871, was revived on the year of this movie's release
Edited sentence: The film has been accused of reviving the modern version of the Ku Klux Klan, which, after having been practically non-existent since 1871, was revived on the year of this movie's release