where are the answer choices? please be more specific so we can help you
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 Warren Court made rulings that were controversial at the time but continue to shape American society.
The rivers led to fertile soil and protection for people in the area so it was a prime place for settlement. Example; Egypt and the Nile.
