Why was it called the dark ages

Some scholars perceive Europe as having been plunged into darkness when the Roman Empire fell in around 500 AD. The Middle Ages are often said to be dark because of a supposed lack of scientific and cultural advancement. During this time, feudalism was the dominant political system

yes i can of course like what is it gonna be about

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else