The result of the Korean war was a stalemate - so noone won. That's why options A, B, and C are not correct.
D is correct- the containment of the spread of Communism was successful.
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Positive effect:
Benefited the people at the top.
A flexible system making power and decision.
Allowed stability and security.
The lord had a unique relationship with his vassals.
Created an obligation for the powerful to help and protect the weak.
Negative effect:
90% of population were were commoners or peasants.
Serfs has no say in that time.
The kings were not in direct control of all their subjects.
Relied on gaining status through work and power.
There are a lot different answers to this question so what specific things are you looking for?
Answer: A. India
Explanation: After India, the next-largest Commonwealth countries by population are Pakistan
A shortage of crops/food would have killed off the soldiers mostly, devastating the southern states. I hope this helped!
Thanks!
~Steve