Final answer:
Henry II's significant contribution to legal practice was the establishment of common law and uniform legal standards across England. His reforms set the foundation for later legal documents, such as the Magna Carta, which further advanced the concept of due process.
Step-by-step explanation:
Henry II and Legal Practices
The important legal practice dating back to Henry II is the development of common law. Henry II established the principle that laws were not just the will of the king, but were common to all, leading to a more uniform and fair legal system. This included the practice of sending royal judges to every part of England to hear cases, thereby establishing a common set of legal standards.
Although the Magna Carta is a critical document in the history of legal practices, it was signed during the reign of King John in 1215 and not directly connected to Henry II. However, it built upon the legal reforms that Henry II instituted. The Magna Carta also influenced legal systems worldwide, including that of the United States, by codifying the principles of due process.