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
Answer:
The treaty was an important diplomatic success for the United States. It resolved territorial disputes between the two countries and granted American ships the right to free navigation of the Mississippi River as well as duty-free transport through the port of New Orleans, then under Spanish control.
During the Catholic counter-reformation, the only thing was
not abolished was the papacy. During this time, the Catholic Church had tried
to regain back its believers who have left and converted to Protestantism after
they had heard and read what are some of the wrong doings of some members of
the Church.
The battle of York town ended the revolutionary war
Idk but its some kinda law