What is the main them of lucy gray poem by Wordsworth

Bennett Weaver points out that "The dominant theme of the poems of 1799 is death: death for the children of the village school, for Matthew's daughter, and for Lucy Gray", and Mary Moorman believes that Lucy Gray is the "most haunting of all his ballads of childhood".

Explanation:

pls go thru the ans above:

answer; /// the above statement is (true);

- the mistakes that have been done in the past will repeat themselves

- you will trust all the wrong people