Present and analyze the territorial sea in international law with the following contents: concept, definition, legal regime. Evaluation of the completeness and conformity with international law in determining Vietnam's territorial sea at present. Assessment of the conformity of current Vietnamese law with international law in regulating the legal regime of territorial sea. Actually, about the evaluation part, you don't have to be too thorough, you just need to give your own assessment because I think the measurement part is quite difficult.