Answer:
Fortitude- Fortitude of character is not always found in the most likely places.
You have a chance to help here, but it will take some intestinal fortitude on your part.
He showed fortitude in the face of a hostile society.
Invincible- Rome, protected by invincible prestige, escaped.
This proved to be the last pitched battle of the war, the Danes never again venturing to attack their once more invincible enemy in the open field.
How can just a few people make a country invincible?
Stamina- During basic training, a soldier will run lots of miles to increase his physical stamina.
If the athlete does not have great stamina, he will not be able to complete the triathlon.
The ballerina's stamina allows her to practice six hours a day.
Thanks