The correct answer to this open question is the following.
The leadership traits showed by Hershel Williams and David Bryan were the following.
Hershel Williams received the medal of honor for his bravery and courage displayed in Iwojima, the Pacific West, during World War II. During the battle, he moved through the enemy's position and killed the Japanese soldiers. He was intrepid and brave to pass through the enemy's fire.
David Bryan was awarded the Citizen Honour because he dared to rescue a man from a burning car, on a highway in Higginsville, Missouri. Bryan also showed initiative, courage, and bravery to risk his life to rescue the motorist.