In ancient times, which of the following helped to slow the spread of disease

One thing that helped slow the spread of disease is the distance between places and the travel speed.

Explanation:

Towns were often a dozen or more miles apart. And horses were not as fast as cars so only diseases that lasted a while could travel between towns.

Most people did not have horses and travel often so the were not as many carriers. I hope this helps you didn't give me multiple choice so this was all I could do.

answer:

its probable on the floor if it fell off.