Why did new towns spring up in places that were not near rivers or canals

D.The towns sprang up along newly laid railroad tracks. Railroads could be built almost anywhere.

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answer; sociological imagination;

i believe the answer is: description

description refers to the goal of psychologist to identify the phenomenon that being observed. this goal is being actualized by collecting data/information from various clues that observed through the phenomenon. this goal must be accomplished before pyschologist able to create methods of treatment.