Briefly describe ONE specific historical difference between the United States reaction to international events leading up to the Spanish- American War (1898) and leading up to the First World War (1914-1919 )

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.

It covered the territory of land across eurasia from northeastern europe to the pacific ocean.

Ibelieve the answer is 1756.