Onomatopoeia is a figure of speech which imitates sounds heard in nature. Having that in mind, the example of that figure in this poem would be moaning and groaning. The moaning and the groaning of the bells is a reference to the moaning and the groaning that animals and humans can produce.
To contract means to become smaller. Contraction = to become smaller.
D.
She can lead men to treasure
This is a long thing to awnser omg sorry