WASHINGTON – June 2 marked one century since then-President Calvin Coolidge signed a law granting American citizenship to Native Americans.
Women had secured the right to vote four years earlier under the 19th Amendment. For the nation's 250,000 or so Native Americans, the Indian Citizenship Law promised acceptance, economic opportunity and legal protections.
But it was not intended to ensure voting rights.
That remained the purview of states, and many threw up obstacles for decades. Arizona, in particular, used literacy tests and other tools to quash voting rights of Americans who also happen...