Answer:
because of the defeat the army suffered
The British light cavalry, led by Lord Cardigan consisted of the "Light Brigade." However, due to miscommunication, the brigade was sent to a different artillery battery, which they were not well-prepared or well-suited to fight against. This resulted to the increased number of British casualties.
Thus, the poem used a falling rhythm in its pattern in order to show how the army suffered because of being defeated. Their defeat forced them to retreat at once.
So, this explains the answer.
Explanation:
One opinion that supports the theme is that when they faced extreme brutality they still didn't care what they said they still remain people.
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