Final answer:
The Kingdom of Saudi Arabia's wealth post-1938 was primarily due to the oil industry, which impacted society and the country's collaboration with the US.
Explanation:
The new Kingdom of Saudi Arabia earned great wealth after 1938 as a result of
- the oil industry: Enormous oil deposits were discovered in eastern Arabia in 1933, leading to the development of the country's economy based on oil exports.
- US involvement: The Saudi royal family collaborated with US oil companies, contributing to the country's economic prosperity.
- Impact on society: Despite the oil wealth, the majority of the population did not significantly benefit, and the monarch used revenues to strengthen his authority.
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