ese citizens. Such addi- tional requirements imposed on voters "solely because of their ancestry are by their very nature odious to a free people" Hirabapashi v. United States, 820 U.S. 81, 100, 63 S.Ct. 1875, 1385, 87 LEd. 1774 (1943). The fundamental right to vote was bur- dened by this investigation.