What literary device does gwendolen use when she says, "i think there must be some slight error”?

which of the following was specifically permitted by the emancipation proclamation?

free african americans were allowed to fight for the confederacy.

free african americans were allowed to enlist in the union army and navy.

enslaved people in border states were allowed to move to the north.

enslaved people in border states were allowed to become confederate citizens. gfrt   jytku6 wqte t5r

there is no passage.

i would need the dialogue to answer this.

health care costs in the united states are on the rise.