Which sentence below shows correct use of em dashes?

She will one day inherit this kingdom—the one on the map—to rule as her own.

She will one-day inherit this kingdom the one on the map – to rule as her own.

She will one day inherit – this kingdom – the one on the map to rule as her own.

She will one day inherit this – kingdom – the one on the map to rule as her own.

Question

Which sentence below shows correct use of em dashes?

She will one day inherit this kingdom—the one on the map—to rule as her own.

She will one-day inherit this kingdom the one on the map – to rule as her own.

She will one day inherit – this kingdom – the one on the map to rule as her own.

She will one day inherit this – kingdom – the one on the map to rule as her own.

anonymous · Answer

A is using em dashes correctly. They serve like commas to set off an appositive, but they emphasize it more than commas do.