By 1992 the economic position of the lowest one-fifth of the population had eroded considerably. Data showed that all but which of the following were factors in this erosion: Question 7 options: the loss of unionized and industrial jobs during the 1970s and 1980s led to an erosion in workers' paychecks though the amount of single-parent families decreased the amount of single-parents without jobs increased poor individuals suffered economically due to cuts in social benefits and services taxes for poor and working class persons increased