A territory or part of a territory that is entirely surrounded by the territory of one other state. The Cabinda Enclave of Angola, bordering the Republic of Congo, is an example of such a geographical feature.

Unrefined petroleum that is extracted from the earth. The proposed US Bill targets countries buying cheap Russian crude oil, indicating a geopolitical strategy linked to energy markets.

A fossil fuel primarily composed of methane, used as a critical feedstock for the production of nitrogenous fertilizers like urea. India imports a significant portion of its natural gas needs to sustain its fertilizer industry.