The correct answer to this open question is the following.
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The sentence that describes the noise level at Lexington and Concord as the British soldiers arrived on April 19, 1775, would be "It was very calm and quiet."
Here, we are talking about the American colonial times, in a critical moment when the Revolutionary War of Independence was about to begin in the North American territory.
The actions of the Revolutionary War started with the Battles of Lexington and Concord. The date: April 9, 1775.
The British troops moved from Boston to Lexington trying to capture Patriots Jhon Hancock and Samuel Adams. The British also knew that there, Americans had a warehouse full of weapons and wanted to destroy it.