Answer:
He teaches them, though each can be overcome alone, they are invincible combined.
Explanation:
Having bound a bundle of sticks together (or in other accounts either spears or arrows), he asks his sons to break them. When they fail, he undoes the bundle and either breaks each stick singly or gets his sons to do so. In the same way he teaches them, though each can be overcome alone, they are invincible combined.
Hope this helps!
His partner and him are the best dancers.
The answer is: sincerity, friendliness, and authority.
