… National Museum of the American Indian (NMAI). Titled “Indigenous … Citizenship Act granted Native Americans dual citizenship and … “Heritage Unbound: Native American Citizenship at 100,” … and projects honoring Native American heritage thrive. Your …… National Museum of the American Indian (NMAI). Titled “Indigenous … Citizenship Act granted Native Americans dual citizenship and … “Heritage Unbound: Native American Citizenship at 100,” … and projects honoring Native American heritage thrive. Your …