The relatively high incidence of expanded family households among poorer north americans is select one: a. the result of a patrilocal residence pattern. b. an adaptation to poverty. c. maladaptive, since smaller families would have fewer expenses. d. the result of bifurcate merging, a practice brought to the united states by scotch-irish immigrants during the early part of the 20th century. e. the reason welfare in the united states is ineffective.