The Magna Carta has been most influential in world history in which area?

The Magna Carta, signed in 1215, is primarily recognized for its role in advancing constitutional law. This historic document established the principle that everyone, including the king, is subject to the law, which laid the groundwork for the development of legal systems that value individual rights and limit government power. Its influence spread over centuries, serving as an inspiration for various constitutional documents worldwide, such as the United States Constitution and the Universal Declaration of Human Rights. The Magna Carta represents a crucial step toward the establishment of democracy and the protection of personal freedoms, making it a cornerstone in the evolution of constitutional governance.

Other options do not align with the Magna Carta's primary significance. While it may touch upon the preservation of monarchial succession in a historical context, this was not its most transformative impact. Promoting socialism or building the British empire are also unrelated to the Magna Carta's legacy, as the document primarily reflects concepts of limited government and individual rights rather than socialist principles or imperial expansion.