Why did the bubonic plague most likely first occur in europe in port towns in italy and france?
a)boats landed at these ports with infected passengers and rodents.
b)the southwest portion of europe was the origin of the bubonic plague.
c)europe's inland towns had better hygiene and sanitation than port towns.
d)people living near the ocean were more vulnerable to the bubonic plague.

Write a brief response focusing on the main points of the instruction or what you learned from it. limit your response to no more than 150 words. grading will be based upon the quality of your response and how clearly you present the information within your answers. you are expected to use key terms and concepts you have learned in this course. points will be deducted for grammar, punctuation, and spelling errors.