Which of the choices below significantly undermined states rights?

The answer is the ratification of the 14th amendment. Hope this helps! :)

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 answer to your question would be b