The rhetorical device which is being used in the given sentence is an appeal to emotions (pathos)
This refers to the rhetorical device which is used to try and convince people about a particular viewpoint with the use of emotional appeal.
With this in mind, we can see that from the given sentence, the speaker talks about the loss of their freedom just for a little security and this is meant to emotionally appeal to the people that their independence and freedom are very important and should not be tampered with.
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