to the extent for instance that a political system denies voting participation to part of its society as the South African system did to the 70 percent of its population that was black , as Switzerland did to the 50 percent of its population that was female, or as the United state did to the 10 percent of its population that were southern blacks it is undemocratic. Similarly a system is undemocratic to the extent that no opposition is permitted in elections or that the opposition is curbed or harassed in what it can do or that opposition newspaper are censored or closed down or that vote