In the Islamic religion the followers could feel good about themselves. Even though the Muslims discouraged drinking and other things, polygamy was not forbidden but monogamous couples were praised. When Muhammad died, the successor title was given to his wife's father. After this, the religion split into two resulting in the Shi ites and Sunni subdivisions. The development of Southwest Asia has been slowed by wars, over territories, religion differences, and by the lack of resources in some countries.
Oil is the biggest resource in Southwest Asia.
Industry and manufacturing are the major part of the economy of Israel and Turkey, because they have very little oil. Israel is the most prosperous nation but has the least amount of resources. Some of the smaller countries, located along the Persian Gulf, have become very rich from the exportations of oil. Oil plays a large part in the economy and well being of the Arabian Peninsula. The countries of the Arabian Peninsula have high incomes and high standards of living.