Skip to ContentGo to accessibility page

Key Terms

Constitutions of Melfi
the oldest surviving written constitution in the world, which increased the power of the monarch of the Kingdom of the Two Sicilies by replacing vassals and church officials with royal bureaucrats
Golden Horde
the Mongol group that ruled over portions of central Asia, the former lands of the Rus, and northwest Asia
Inquisition
a centuries-long effort by the church to impose religious homogeneity on Western Europe through torture and execution, if necessary
kurultai
a proto-democratic gathering of a Mongol leader’s followers, called to reach agreement on major political decisions
Magna Carta
an English document that reiterated existing rights of vassals, confirmed the papal position that the church is above the state, and spelled out some basic rights of commoners
mandarins
top officials in the Imperial Chinese bureaucracy, selected by a series of exams on Confucian texts
People of the Felt Walls
Temujin’s name for his ethnically and linguistically diverse followers
sharia
Islamic religious law
yam
horse relay stations established by Chinggis Khan for long-distance communication on military campaigns; they were later expanded into rest areas and supply depots
yassa
Chinggis Khan’s law code, designed to eliminate the sources of conflict in steppe society and bring harmony to his people
Citation/Attribution
Reuse and redistribution of this content in digital or print format:
  • This book may not be used in the training of large language models or otherwise be ingested into large language models or generative AI offerings without OpenStax's prior written permission.
  • This book uses the Creative Commons Attribution-NonCommercial-ShareAlike License, which means that you can reuse and modify the material only for noncommercial purposes, must attribute OpenStax, and must distribute any derivative works under the same license.
  • Any commercial printing of this textbook, including using a local or custom printer, must be approved by OpenStax, and proper citation provided.
  • OpenStax-copyrighted images, activities, assessments, and similar components of this book are subject to the same licensing – CC-BY-NC-SA. They can be used for noncommercial purposes with attribution. Commercial use requires permission.
  • Permission requests: Anyone who intends to incorporate this content (including text, images, and other components) into large language models, use it in AI offerings, use it commercially (including in print), and/or has questions about another use case is welcome to complete our reuse request form.
Attribution information
  • If you are redistributing all or part of this book in a noncommercial print format, then you must include on every physical page the following attribution:

    Access for free at https://openstax.org/books/world-history-volume-1/pages/1-introduction

  • If you are redistributing all or part of this book in a noncommercial digital format, then for every page that includes OpenStax content, you must license the derivative work under the same CC-BY-NC-SA license as the original, and include on every digital page view the following attribution:

    Access for free at https://openstax.org/books/world-history-volume-1/pages/1-introduction

Citation information

The information below includes the information needed to generate citations in most major styles (APA, MLA, etc.); you must reformat and organize the information as needed to fit the requirements of the style. Use the information below to generate a citation. We recommend using a citation tool such as this one.

© Apr 23, 2026 OpenStax. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike License. The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo, and Rice University name, and Rice University logo trademarks, or wordmarks are not subject to the Creative Commons license and may not be reproduced without the prior and express written consent of Rice University.