What were the ways of not getting the black plague from someone else?

The Black Plague is very rare nowadays, and in order to prevent yourself from getting it, avoid rats, mice and, squirrels.

Prevention Procedure:

Bubonic plague is transmitted through the bite of an infected flea or exposure to infected material through a break in the skin. Symptoms include swollen, tender lymph glands called buboes.

Explanation:

I hope this helps!

d. she conquered the black sea coast and parts of poland.

your mothers brothers brother in law would be your father.