The Black Plague started mainly due to the bacterium Yersinia pestis. It was carried by fleas that lived on rats. As the rats moved around, especially in trade routes, the fleas would jump to humans and infect them.
There were no exact records of the origins of the Black and White Ghosts, but according to legend, their images had already appeared in the Tang Dynasty.
I'm not entirely sure as I haven't read the specific story. But it could start with a description of the hands of a black person, perhaps highlighting their unique features or the way they are used in daily life.
The Black Panther comic originated with the creative minds at Marvel. They introduced the character and his story to the comic world, building a foundation for his adventures.
One great 'James Potter and Sirius Black fanfic' to start with is 'Prongsfoot: The Marauders' Era'. It really captures their friendship well and has a lot of interesting plotlines that are true to the characters' personalities in the original series.
One can start listening to black stories by finding books written by black authors. There are many great works like 'Beloved' by Toni Morrison that tell powerful black stories. You can also look for podcasts dedicated to black history and experiences.