4. The author cites each of the following as possible influences in a Black worker’s decision to migrate north in the Great Migration EXCEPT
    （A） wage levels in northern cities
    （B） labor recruiters
    （C） competition from rural workers
    （D） voting rights in northern states
    （E） the Black press
    5. It can be inferred from the passage that the “easy conclusion” mentioned in line 53 is based on which of the following assumptions？
    （A） People who migrate from rural areas to large cities usually do so for economic reasons.
    （B） Most people who leave rural areas to take jobs in cities return to rural areas as soon as it is financially possible for them to do so.
    （C） People with rural backgrounds are less likely to succeed economically in cities than are those with urban backgrounds.
    （D） Most people who were once skilled workers are not willing to work as unskilled workers.
    （E） People who migrate from their birthplaces to other regions of country seldom undertake a second migration.
    6. The primary purpose of the passage is to
    （A） support an alternative to an accepted methodology
    （B） present evidence that resolves a contradiction
    （C） introduce a recently discovered source of information
    （D） challenge a widely accepted explanation
    （E） argue that a discarded theory deserves new attention