Final answer:
Self-sufficiency is the capability of a nation to meet domestic food consumption requirements from domestic production without importing.
Step-by-step explanation:
The capability of a nation to meet domestic food consumption requirements from domestic production capacity without importing is known as self-sufficiency. Self-sufficiency refers to a nation's ability to produce enough food to meet its population's needs without relying on imports. This can be achieved through various means such as promoting agriculture, investing in technology, and implementing policies to support domestic food production. For example, Japan prioritizes the production of rice to preserve its cultural identity and ensure self-sufficiency in this staple food.