In areas where physical geography made farming more difficult for british colonists what else do you think they might have done for a living

IN such areas the colonists usually resorted to mercantilism instead of farming. This was especially true in the North as opposed to the South, since the the South was more conducive to farming. 

What are u talking about

Ifound this on google “the existence of agglomeration economies is central to the explanation of how cities increase in size and population, which places the phenomenon on a larger scale. the concentration of economic activity in cities is one reason for their development and growth.” i hope this you for what your looking for.