The supreme military commander of american forces during world war i was

How did alliances contribute to the start of world war i? alliances made it easier for nations to negotiate peace treaties.because of alliances, fewer nations needed to participate in the war.alliances required nations to defend each other against aggression.a set of alliances nations respond peacefully to problems.

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.