Answer:
Another reason why the Middle Ages are often called the Dark Ages is because, compared with other eras, historians don't know as much about this time. In some ways, this period of time has been lost to history. Many important records from this time have not survived.
Explanation:
you can say according to the article they are called Middle ages because of the black death.
This is false.
The flag of the Confederacy was"The Stars and Bars" and although similar in concept and colours, this flag was different from "Stars and Stripes"