Short answers, pulled from the story.
The Arab world is a vast geocultural region spanning from the Atlantic Ocean to the Arabian Sea and from the Mediterranean Sea to the Indian Ocean. It comprises 22 member states of the Arab League and is home to 456 million people as of 2021.
The Arab League was formed in 1945 to represent the interests of Arab people and to pursue the political unification of Arab countries. This project is known as pan-Arabism and was championed by leaders like Gamal Abdel Nasser of Egypt and Ahmed Ben Bella of Algeria.
The Arab world holds approximately 46% of the world's total proven oil reserves and a quarter of the world's natural-gas reserves. The Persian Gulf states including Saudi Arabia, Iraq, the UAE, Kuwait, and Qatar are among the top ten petroleum or gas exporters worldwide.
The Arab Spring was a series of popular protests that began in late 2010 and was directed against authoritarian leadership and political corruption. The movement demanded more democratic rights and greater civil liberties from a growing class of young, educated, secular citizens.
Significant Shia minorities exist in Iraq, Bahrain, Lebanon, Yemen, and Kuwait within the Arab world. While the majority of people adhere to Islam with most countries following Sunni Islam, these specific nations host notable Shia populations.