In the United States,certain kinds of food are traditionally served at Thanksgiving meals.First and foremost,turkey is usually the featured item on any Thanksgiving feast table (so much so that Thanksgiving is sometimes referred to as "Turkey Day").Stuffing,mashed potatoes with gravy,sweet potatoes,cranberry sauce,corn,other fall vegetables,pumpkin pie are commonly associated with Thanksgiving dinner.All of these primary dishes are actually native to the Americas and were introduced as a new food source to the Europeans when they arrived