Congress, since the first naturalization statute, has insisted that aliens pass through a trial period of residence in the United States before they are admitted to citizenship pursuant to article one, section eight, clause four, of the Constitution.
Bracete, Judge Juan M.
"The Five-Year Residence Requirement for Naturalization. Its Operation and Employment-Related Exceptions and Ameliorations,"
Nova Law Review: Vol. 11
, Article 16.
Available at: http://nsuworks.nova.edu/nlr/vol11/iss3/16