Answer:
simple
Explanation:
no fanboys. just a preposition at the beginning
<span>At Bletchley Park, thousands of people worked hard to help the British and Allied troops during the war. I would say this is the main idea in this excerpt, which highlights the general contribution made by these people to WWII and by infererence not just those fighting at the front were making a contribution to the war effort.
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Bro I need more I don't get this you are confusing me
