People who take an Oath of Allegiance to the United States must renounce, or give up, allegiance to all other countries. Why do you think this is so?

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"

all of the following apply except for (a. excessive credit on real estate resulting in defaulted loans.

in 1819, panic swept the country due,in part, to the rapid expansion of american manufacturing during the war of 1812 and the distress caused by the post-war british competition. the rapid expansion of american farming was another factor.

explanation: