| Answer | Crossword Clue |
|---|---|
| triggers | An event or thing that causes something to happen |
| circumstance | An event or fact that causes or helps to cause something to happen, typically something undesirable |
| circumstances | An event or fact that causes or helps to cause something to happen, typically something undesirable |
| presaging | (of an event) Be a sign or warning that (something, typically something bad) will happen |
| prerequisite | A thing that is required as a prior condition for something else to happen or exist |
| prerequisites | A thing that is required as a prior condition for something else to happen or exist |
