Which part of the United States developed the most cities

i also think it is c

which statement best describes the relationship between the fourteenth amendment and the african american civil rights movement?

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.