Answer:Smallpox and vaccination are intimately connected. Edward Jenner developed the first vaccine to prevent smallpox infections, and this success led to the global eradication of smallpox and the development of many more life-saving vaccines.
Explanation:
Northern states saw slavery as cruel and agianst humanity. Southern states saw slavery as the economic backbone of their economy and felt it was necessary.
I'm pretty sure the answer is D. poor working conditions, because people back then were very serious when it came to working, since they needed the money badly. All of the other answer choices are factors that led to the Great Depression.
<span>One of the most important accomplishments of the Progressive Era was the Nineteenth Amendment of the Constitution. This amendment gave both sexes the right to vote (women could now vote). Voting can affect family life. One example of this was the temperance movement. It promoted the practice of never drinking alcohol. The point women were trying to make was that alcohol could cause men to waste their money, ignore their families, and abuse their wives. This is why it is important for women to be able to vote.</span>
Answer: D :) .................
