In what centuries did the dark/middle ages take place ?

Dark Ages-Fifteenth Century

Middle Ages-Fifth Century

Explanation:

The "Dark Ages" is a term for the Early Middle Ages or Middle Ages in the area of the Roman Empire in Europe, after its fall in the fifth century, characterizing it as marked by economic, intellectual and cultural decline.

Middle Ages, the period in European history from the collapse of Roman civilization in the 5th century ce to the period of the Renaissance (variously interpreted as beginning in the 13th, 14th, or 15th century, depending on the region of Europe and other factors).

The Dark Ages' or middle ages took place between the fall of the Roman Empire and the Renaissance: the 5th – 14th centuries.

b.   jim crow laws were enacted in northern states.