The movie has been praised for its cinematography and emotional storytelling, but some critics have pointed out historical inaccuracies in its portrayal of World War I. For example, the uniforms and equipment worn by soldiers are not always accurate, and some scenes depict battle tactics that were not used during the war.
Overall, while "War Horse" is a work of fiction and should be enjoyed as such, it may not be the most accurate depiction of the various aspects of World War I.