How did Pompilius ensure that the election of a new king would be much easier for the people of Rome?

Numa Pompilius shown as an effigy on a Roman coin minted by Gnaeus Calpurnius Piso during the reign of Emperor Augustus. Piso himself claimed descent from the king.

He was of Sabine origin, and many of Rome's most important religious and political institutions are attributed to him, such as the Roman Calendar, Vestal Virgins, the cult of Mars, the cult of Jupiter, the cult of Romulus, and the office of Pontifex Maximus.

is there multiple

answer; i believe the correct answer is benjamin harrison;