Following the collapse of the Qing dynasty, the future of the new Chinese republic remained uncertain. Although Emperor Puyi had abdicated the throne, attempts to establish a legitimate centralized government were complicated by political turmoil and the ambitions of provincial warlords, who remained in control of large parts of the country.
Jenner found germs and invented vaccines. Pasteur found how to kill germs from food for a very long time. Lister invented early antiseptics along with Listerine brand mouthwash. Please mark Brainliest!!!
