Answer:It signifies the end of the immigrant experience and is the final threshold before one's acceptance as a citizen. ... The oath requires the intending citizen to “absolutely and entirely renounce and abjure all allegiance” to any country that he or she has been a citizen
Explanation:"I hereby declare, on oath, that I absolutely and entirely renounce and abjure all allegiance and fidelity to any foreign prince, potentate, state, or sovereignty, of whom or which I have heretofore been a subject or citizen; that I will support and defend the Constitution and laws of the United States of America"