I think it's the western and eastern fronts.
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
<span>There was no pay, there was a lack of food and equipment. There were harsh conditions, and the work that was left unattended at home were reasons why it was so difficult to keep soldiers in the Continental Army.</span>
check the attachment hope this helps
Answer: Today more people visit the Vietnam Veterans Memorial, which was dedicated in 1982, than any other site in Washington D.C. A moving Vietnam War Memorial tours the country and there are virtual memorials on the Internet. Every soldier whose name is on the Vietnam Memorial Wall has a hometown and a story.
Explanation:
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