In the mid-nineteenth century, a major pull factor in US interregional migration was the building of the Erie Canal.
the cold climate in the East.
the Gold Rush in the West.
the expansion of the railroads.
the overcrowding in the East.

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If it’s 15 minutes it would be 159

  consider  the  following scenario,  then describe  how  you might conduct  a  study using  ansrs,  convenience sample, and a  voluntary response sample.  you  are  interested  in  parents'  opinion  of the  war  in  iraq.  your population  is  parents  of  high school students.  your question  is, "do you  believe that the  war  in