C. No one knew germs existed
Therefore diseases spread because they did not know how to prevent them and they did not have good hygiene.
Answer:
C . Ritalin
Explanation:
Ritalin with other types of stimulants causes overactive eye movement. Ritalin belongs to a group of stimulants called Methylphenidate not only this but others such as cocaine,nicotine etc
I believe it is walking with a limp on the right side
