/ˈnætʃərəl əˈliːdʒəns/ – Phrase
Definition: cam kết luôn luôn trung thành với quốc gia do sinh ra ở đó hay do nhập quốc tịch.
A more thorough explanation: Natural allegiance refers to the allegiance that an individual owes to a country by virtue of being born in that country or being a citizen of that country. This allegiance is considered to be inherent and cannot be renounced or transferred.
Example: Natural allegiance is the legal duty of loyalty and obedience that a person owes to the country of their birth or naturalization.