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:
C
Explanation:
It was mainly a machinery issue and communication has no impact on how something is built
Answer: My guesses are...
B. Ghana lacked nearby water resources (because of the drought that was put upon them.) and E. Ghana did not have iron weapons and rival nations did.
I hope these are it and I hope that this helps you a little. Sorry if they aren't correct. I truly am sorry if they aren't. Good luck.
Your answer is going to be "All of the Above".
Clara Barton was regarded as the nurse who would later form the American Red Cross. As a nurse her role was more prominent however, she also rode onto the battlefield to and supplied food and water to troops.
The battle of Gettysburg was fought to get food for general lees men who had just been through a long winter.
