| 1 | Our troops are the steel in our ship of state. | |
| 2 | The "backbone of England": It refers to the Pennies, the board ridge of hills. | |
| 3 | The Rockies,the backbone of the North American Continent,is also known as the Continental Divide. | |
| 4 | I have been adamant about this because small businesses are the backbone of our economy. | |
| 5 | Ivory Coast has a strong spine, held together by the excellent Yaya Toure in central midfield. |