What are three differences between the book and the movie 1963 version. Lord of the flies

1. A ship passes in the book but a plane passes in the movie.

2. Ralph didn't get hit by a spear in the movie.

3. The boy with the mulberry birthmark is not in the movie.

4 copper and gold, the california gold rush is why im pretty sure.

possible the invasion of room could have been avodiable but the people of rome were to stubboron and to wealthy the kingdoms saw them as a threat if they dialred it downa   bit ten i dont think they wouldnt failed   china was not iacvvdoaible they caused war to much and were out of hand therefor that must have happened india i dont really know it could of