i think you mean antibiotic ... but Alexander Fleming was the one who advanced the antibiotic (world) and was responsible for creating these categories of medicine... this affected the 20th century because millions of people use antibiotics everyday and without them... many diseases would still affect people without a cure
Moral diplomacy was a major tool for the United States to pursue its economic interests abroad.
In the end, moral diplomacy increased the U.S.'s direct military action in many countries and also greatly impacted the economy by manipulating situations in countries that were not democratic or those that held what Wilson viewed as morally corrupt values.