Middle East Reading and Lesson Plan “The Middle East: Regional Disorder”
August 15, 2021
The decades-old feud between them is exacerbated by religious differences. They each follow one of the two main branches of Islam – Iran is largely Shia Muslim, while Saudi Arabia sees itself as the leading Sunni Muslim power.

https://www.bbc.com/news/world-middle-east-42008809
The friendships and enmities among countries, political groups and militant organisations in the Middle East
