Answer:
The quote "Do not put such unlimited power into the hands of the husbands. Remember all men would be tyrants if they could." is from Abigail Adams, the wife of John Adams, one of the Founding Fathers of the United States. The quote is from a letter that Abigail Adams wrote to her husband in 1776, during the American Revolution, in which she was advocating for women's rights and warning against giving men too much power.
Regarding the smallpox scab inoculation, it was a common practice in the 18th century to inoculate individuals with smallpox in order to prevent the disease. The process involved taking a small amount of fluid or scab from a smallpox lesion and introducing it into the skin of a healthy person, which would cause a mild form of the disease that would confer immunity. It was a dangerous procedure, but it was one of the few available methods for preventing smallpox at the time.