This product is the main ingredient in TVP.  
One of the earliest champions of this product in the United States sunk over a million dollars into research on it, producing a type of silk-like fiber called Azlon.  Colin McClung was awarded the 2006 World Food Prize for helping to make this crop the majority crop produced in the once-infertile region of Cerrado in Brazil.  (*) Henry Ford, an ecstatic backer of this non-rubber crop, forced dinner guests to eat multi-course meals made from this food and even planned a car made almost entirely from it.  Fermenting this product produces the popular breakfast food, natto.  This product is the main ingredient in TVP.  Monsanto distributes GTS 40-3-2, one of its Roundup Ready genetically modified versions of this good.  Fermenting this crop can produce tempeh.  For 10 points, name this crop that provides the main ingredient in tofu and in the original Silk beverages.
One of the earliest champions of this product in the United States sunk over a million dollars into research on it, producing a type of silk-like fiber called Azlon.  
soybeans [or soya bean]