The main source of income in the Middle East region is oil and gas production. Countries in the Middle East possess significant reserves of oil and gas, which they export to generate revenue and drive their economies.
To establish friendly relations with Iran.
Mecca and Dubai are the most important market places in the middle east.
Riyadh is not known as the Middle East. Riyadh is an important city in the Middle East and the capital of Saudi Arabia, but the Middle East has a lot more than just Riyadh.
yes
political stability
political stability
Desolation is not important in the Middle East. If you meant to ask about Desalination, please see the Relatd Question below.
There are many holy cities in the Middle East, but Jerusalem and Mecca are most important.
The Middle East is an important world resource because there is a lot of oil in that area which is useful. For example, gas for your car.
Petroleum.
Oil.