How is the black death similar to the song ring around the rosies

The ring is represented by the dark red circle victims would get once they got the illness.  The pocket full  posies symbolizes that people would carry around flowers because there were so many people dying so it smelled really bad and the  patients themselves smelled bad

i think they came to washington to protest

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.