In 1776, edward jenner started the war against smallpox. the war continued until 1977, when the world health organization declared the world free of smallpox. this is a good example of how the contributions of one individual can change the world of medicine how preventative medicine can overcome disease how medical research can solve problems all of the above

Karen is waiting by the lockers before school for her friend richard. they had agreed to look over the history review sheet together to be ready for the test later that day. richard shows up late with uncombed hair and wrinkled clothes. karen: "you're five minutes late and you look like a wreck! " richard: (slams his locker) "you know, i don't have time for this." karen: "fine! figure out the test on your own! "