1. What is Imperialism? A. The belief that Europe should conquer the world
B. The growth of cities
C. The conquest of land or territories for the purposes of empire building
D. The desire of larger countries to find new markets and new people

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.