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
The statement which describes the idea of Manifest Destiny that affected demographic changes in the United States during the 19th century is '' It resulted in large numbers of white Americans relocating from east to west''
Answer: Option A
<u>Explanation:</u>
The Manifest destiny was a doctrine that said the United States of America is destined to spread and expand it's territories from the Atlantic coast to the Pacific oceans.
This also justified why the United States had acquired other nations of the workday. This made the country very strong and attracted a lot of people from the east side to the west side because of better living standard and that is was superior to other regions of the world.
The answer is D. Isolationism was a period in Americas history when they stayed out of wars and affairs that had nothing to do with itself. Dollar is the american currency, big stick has to do with militarism, good neighbor has to do with helping neighbors and allies.
I hope this helps! :)
It gave them all the right to be equal as one.
