As a result of the industrial revolution
europe's middle class as able to
experience a lavish new lifestyle and
to increase in number. what effect did
the growth of the middle class have on
the smaller upper class?

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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.