Submit your clear and concise, 300-word summary on the biography, "Jackie Robinson, An American Legend." Ensure that the topic sentence expresses the main idea and that the author's ideas, not yours, are presented.

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.