1. The earliest signs of agriculture have been found in? a. North America.
b. the Middle East.
c. Australia.
d. South America.

I would probably be b.the Middle East

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.

The common sense pamphlet i think