Why "during" is used in this case?

[Lenny]

English Grammar Tests, Elementary Level

ESL/EFL Test #94 "While, during and for", question 1

My uncle died ......... the war.

(a) while
(b) during
(c) for

English Grammar Tests, Elementary Level

ESL/EFL Test #94 "While, during and for", answer 1

My uncle died during the war.

Correct answer: (b) during

Your answer was: incorrect
My uncle died for the war.
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Please help me to explain why "during" is used in this case?

Lenny

[Alan]

Hi,

During has the sense of in the course of a certain period. In the sentence: It rained during the afternoon - this means at some time in the course of the afternoon.

Alan
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English as a Second Language
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