Answer:
the third one
Explanation:
I explain in your last question
Answer:
Researchers finally isolated the virus that causes flu from pigs in 1931, and from humans in 1933.
Explanation:
hope all of yall are staying safe! Luv y'all! :3
The benefits and believed in manifest destiny were that basically the world was yours that you were entitled to land and to a New Life
<u>Trench warfare came to define the western front as follows:</u>
Trench fighting achieved its height on the Western Front during the World War I, which took place from 1914–18, when troops of millions of men fought one another in a line of trenches stretching from the Belgian coast to Switzerland via northeastern France.
One possible explanation that First World War on the Western Front resulted a enormous trench war was that Western Europe was heavily populated. The trench lines had the effect of putting Western Europe into two fortresses whose military forces were sieging one another along a single border. In the North, geography fought toward consolidation.
