Final answer:
Nutella's primary nut is hazelnuts, while the crop originating from the New World among the given options is peanuts. Peanuts, unlike oats, barley, and coffee, were first cultivated in the New World, specifically South America, and later spread around the globe after the age of exploration.
Step-by-step explanation:
The primary nut in Nutella is hazelnuts. Nutella is a widely popular chocolate and hazelnut spread that is enjoyed by people across the world. The specific question about the crop originating in the New World, the correct answer is peanuts. Peanuts, unlike oats, barley, and coffee, were first cultivated in the New World, specifically South America, and later spread around the globe after the age of exploration.