Read these lines from emily dickinson's poem"712" ("because i could not stop for death") and i had put away my labor and my leisure too which of these poetic devices does she use here?

The poetic device which the poet Emily Dickinson uses in her poem “Because I Could Not Stop For Death" in the line ' my labor and my leisure too' is alliteration.

Alliteration is a literary device in which words with the same consonant sound or syllable occur. It gives a poem a different and a unique rhythm. Alliteration is a special case of consonance when the consonant sound of the stressed syllable is repeated.  

In the line, the sound 'm' occurs in the word “my” and the sound 'l' occurs in the words “labor” and “leisure.”

both alliteration and personification

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).