In 1850, for example, the only choices were "white," "black," and "mulatto," while 30 years later respondents were also given the options of "Chinese" and "Indian" (presumably meaning Native American).
En 1850, por ejemplo, las únicas alternativas eran "blanco", "negro" y "mulato", mientras que 30 años más tarde, también se incorporaron las opciones de "chino" e "indio" (que probablemente significaba nativo americano)