Candide
the Encyclopédie
The Spirit of the Laws
The Wealth of Nations
i think the 2nd and 3rd one are the correct answers
hope this helps!!!!!!
Answer:
C. Trench warfare
Explanation:
A's incorrect as alliances have existed for thousands of years
B's incorrect as an infantry charge's greatest weakness is the machine gun for obvious reasons
D's incorrect as both sides had machine guns, and was not the reason for victory.
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This leaves C, which makes sense as troops would be forced to hide on lower ground due to the deadliness of machine guns
Feudalism declined, increased trade between the middle east and it helped spread cultural diffusion.
-Lucky