writer James Cameron (I) (qv) claims that he only wrote the  first draft of the script and that Sylvester Stallone (qv) made  many changes to it. When the film was released, the "political"  content of the movie was considered controversial. Many felt the  Vietnam conflict was "altered" to look and sound heroic. Cameron  commented that he only wrote the "action" and that Stallone wrote  the "politics".