I need help on those both questions

My grandfather asserted me that I would be okay.
I would like to remember the fact that assert means to state something confidently.
Answer:
In the first question a good answer could be: Asserting dominance is important if you want to be respected.
Explanation:
The second question is subjective so you have to write your own anser but when you do it keep in mind that assert has as a synonym declare.