No. A person applying for citizenship is an alien.A concept is an idea, ideal or desired state.
Yes only if that person is a American applying for dual citizenship in Brazil. A person from Brazil would be unable to keep citizenship in Brazil if they wanted US citizenship. because the US requires you to give up your citizenship to all other countries except Canada citizenship.
Probably, applying for South Korean citizenship, would be the procedure.
A person applying for American citizenship is most closely related to the concept of nationality.
A person with an expired visa must apply for a new visa prior to applying for US citizenship. You can't apply when you have an expired visa.
Marriage and naturalization Although the United States does not recognize dual citizenship status officially, it does not prohibit it either. However if the question were to come up in a legal or immigration type proceeding your United States citizenship may be disallowed if you also have citizenship in another country, in which case you would be treated as a resident alien in the USA.
A person who is born in the US will automatically become a US citizen. Also a person who is 18 yrs of old and a permanent resident can qualify for applying us citizenship. Apart from this, they need to satisfy certain other requirements too.
You can get dual citizenship for the Philippines if you are a natural-born Filipino who has become a naturalized citizen of another country, and to retain your Philippine citizenship, you have to take an oath of allegiance to the Republic of the Philippines before a Philippine Consular Officer.
Only a green card holder already in the US for a minimum 5 year period, staying in the locality where he or she is applying for US citizenship for a minimum 3 month period and who has good moral character can apply for US citizenship. Person should be at least 18 years old and should pass the citizenship test in order to get US citizenship.
Generally, as long as you want. Some counties (UK for example) allow citizenship to be revoked by the government unilaterally (i.e. they think you're a terrorist, and you have citizenship in another country. Cannot lose U.S. citizenship unless you revoke it, in person, outside the U.S. at an embassy.
The person is either born in the US or born to parents who are US citizen outside of the US (can then apply for dual citizenship) or has been granted naturalized citizenship under the required procedure established by the US immigration laws.
African-Americans as a race do not have dual citizenship. Only those who meet all of the requirements of the country that the person is applying for citizenship for may or may not obtain citizenship. Citizenship is not guaranteed when applying for it.