question innovations in shipping and the growth of commercial networks were most directly related to which of the following other developments of the first half of the nineteenth century? responses a decrease in the availability of jobs for recent immigrants a decrease in the availability of jobs for recent immigrants an increase in the number of americans moving west of the appalachian mountains an increase in the number of americans moving west of the appalachian mountains the spread of industrialization to most cities in the south the spread of industrialization to most cities in the south an increase in the production in the home of goods used by families