The world was at his feet. what is implied by the expression

It means he has a lot of opportunities to chose from, lots of options.

Explanation:

"To have the world at one's feet" basically means that the person is free to choose anything. He has lots of opportunities and chances to do whatever he wants to. It's like saying everything is at their disposal, for them to take it or not.

For example, if someone says "he has the world at his feet", it means that the man has the choice of doing anything he wants, everything is available for him. So, "the world at his feet" means the person has every opportunity, a good opportunity and a wide range of freedom and chance to chose whatever he likes or wants.

Answer: "have the world at your feet." to be extremely successful and admired by a large number of people.

Example: Five years after her debut, the diminutive star of the Royal Ballet has the world at her feet.