How to Use "mettle" with Example Sentences

1. It is in adversity that a country shows its mettle .
2. Even those who think he is canny enough to tack right after winning wonder if he has the mettle to face down his party .
3. As to whether mous recover , that depends on their mettle .
4. It is for the leaders to match the mettle of the people .
5. Either way , the first test of mr pe a 's mettle has come even before he has taken office .