Answer:
Guest workers migrate to the region for jobs in construction and the oil fields, increasing the volume of exports from the region
Step-by-step explanation:
Due to the discovery of oil fields in the south western countries, people from other regions of Asia migrated to these south western Asian countries for jobs in the field of construction and oil fields. Due to this migration, population of south western Asia increases and the economic growth also increases due to the discovery of oil fields. These oil fields improves the economic condition of these countries because oil is very valuable liquid used for vehicles and industries.