Final answer:
The excerpt that shows Odysseus's epic hero traits of strength and leadership is his decisive action in saving his crew from the Lotus-Eaters, demonstrating mental strength and the ability to lead.
Step-by-step explanation:
The excerpt from The Odyssey that best exemplifies Odysseus's traits of strength and leadership is when he takes decisive action against the effect of the Lotus-Eaters on his crew. Despite their wailing, Odysseus does not succumb to the temptation of the Lotus and instead forcefully drives his men back to the ships, ensuring their safety and demonstrating his capability to lead and protect his crew. This action not only showcases his mental and physical strength but also establishes his capacity to make tough decisions for the wellbeing of his men, a key aspect of effective leadership.