Because Iran is a corrupt country
The correct answer is the option C:
- C: Today the phrase "Achilles´ Heel" refers to a weakness that can lead to downfall. This refers to the story of a powerful Greek Warrior who had been submerged in the in the river Styx during childhood.
Because this option is the one that describes better the meaning of the phrase "Achilles´ Hell".
I don't know what you're talking about... sorry... (no offense)
You can use the (Unique) constraint to compare one column against another column. Hope I got it right.
