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:
B. Carnegie showed how to organize large-scale production as well as how to use profits in philanthropic activities.
I may be wrong but from what I remember it should be D.) Revise the Articles of Confederation
Answer:
He contracted polio at age 39 and needed leg braces for the rest of his life.
Explanation:
Franklin Roosevelt was born in a rich and resourceful family with political contacts. He got married to his cousin Eleanor Roosevelt.
In the year 1921, he got struck with polio and spent he rest of his days in a wheelchair. His presidency did wonders for the United states along with the establishment of a leadership stage for the United State in the world during the world war II.