A person who (a) was born in the U.S., including Puerto Rico, the Virgin Islands, Guam, the Northern Mariana Islands, Swain's Island, Panama, and other U.S. territories during certain historical periods; (b) was naturalized by the immigration service; (c) derived citizenship from parents when the parents became naturalized citizens; (d) acquired U.S. citizenship at birth abroad through a U.S. citizen parent or parents; or (e) acquired citizenship through applications by U.S. citizen adoptive parents.