Answer: the black death killed there population by A LOT(20-30 M!) (There still thriving today)
Explanation:
the black death was caused by rodents caring this disease,They carried place to place by people on ships, (idk what u mean on the RACE thing but i do know this question,i hope u get a good grade!) they were foolish enough to spread it. (if it's right, can i get a brainlist? its okay ifs a no :3 hope u get a good grade either way!)