Final answer:
The passage from the Magna Carta is about the requirement for reliable witnesses before someone could be put on trial, which was a move towards ensuring due process and setting the stage for trial by jury.
Step-by-step explanation:
The liberty described in the passage from the Magna Carta involves the requirement for reliable witnesses before a person could be put on trial based on the spoken word of a bailiff. This passage underscores the due process protections instituted by the Magna Carta, which stipulated that a free man could not be penalized without the lawful judgment of his peers or by the law of the land.
The Magna Carta was a cornerstone in the development of legal rights and limitations on monarchial power, setting a precedent for future legal systems, including the United States Constitution.
Essentially, this segment of the Magna Carta was moving towards a requirement similar to what would later become known as trial by jury, an important aspect of the judicial system. These protections were initially granted to English barons but eventually came to be seen as fundamental liberties for all Englishmen and were influential in the establishment of constitutional rights in many Western countries.