George Ford: England errors against Samoa would be punished by Australia

• Test against Wallabies could define pre-World Cup year• Stuart Lancaster unlikely to make extensive changes• Coach relieved after win• Match report: England 28-9 Samoa• How the players ratedNot for the first time England’s final autumn Test will define their entire year. If they win well on Saturday against Australia, who are sharing their 2015 World Cup pool, they can regain a hint of momentum going into the Six Nations championship. Lose to the Wallabies and a patchy victory over a gallant Samoa will be the flimsiest of fig leaves.At least Stuart Lancaster is now better stocked in a couple…