Explanation:
What event? The question is meaningless with no context.
Moses endeavor to build up strength among the Israelites by selecting the pioneers of tens, the fifties, thousands. They filled in as educators and consultants, as judges, and as pioneers in the event of war. Before that, the general population were driven just by Moses and the Elders.
Answer: By setting an example (i think)
From : allnswers.com
It's being told through third person, impersonal and omniscient point of view.
Hope this helps