Factors
Entities
Animal welfareTom VilsackUnited States Department of AgricultureSnopesPeople for the Ethical Treatment of AnimalsMonsantoVeganismIowaPresidency of Barack ObamaUnited States SenateSocial mediaChief executive officerBarack ObamaPresident of the United StatesNutritionMilwaukee Journal SentinelSustainable agricultureTrade association

