What does the middle passage refer to? the underground railroad the journey slaves endured in the trans-atlantic slave trade the struggle for civil rights in the midwest the call for greater regulations for slave ships

I just got done with this test and the correct answer is B) "the journey slaves endured in the trans-Atlantic slave trade"

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.