Answer:
because of the news of the treaty of Ghent was signed
Edward Jenner developed the world's first vaccination between 1797 and 1799, using material from sufferers of cowpox. ... This meant that Jenner was only responsible for the rapid change in understanding how smallpox could be prevented. It was the influence of the government that enabled the change to occur rapidly. Yes
Answer:
O it marked the beginning of the end of World War II
