The US’s position of economic strength is so fragile too. Most of it is in the financial and technology sectors, both of which can be moved relatively easily because their value is in non-tangible things. China’s economic power is in manufacturing - being able to build tangible things. Factories are much more stable.

You can boil whole grain wheat down into porridge. It’s not the go-to use for wheat now, but the rice cooking method still provides a nutritious meal.