Your answer is "Improved medicine and sanitation". I hope this helps! :)
Have a great rest of the day.
We won’t be able to stand for what we know is right, we won’t have freedom to do what we want, and people with the authority will control our future.
Pickling - Pickling in a salt brine was the standard method of preserving meats and fish. Gelatine - Jelly or gelatine was used for preserving cooked meat or fresh fish.