What is the definition of variation

The inventor cocreated the film fred arts sneeze which was one of the first american movies

Plz which of the following statements about spanish plantations is not accurate? a. spanish plantations grew sugarcane for export to spain b. the spanish had little concerned for the lives of the indians who worked on the plantations. c. spanish plantations grew wide variety of crops and center produce to many different european countries. d. to replace the native americans our dying off the spanish imported african slaves.

Historians sometimes rely on video recordings in researching past events because