The PRIMARY cause of the rapid economic development of Saudi Arabia since the 1960s is: Group of answer choices

machinery imports

petroleum exports

commercial shipping

industrial chemical production

Petroleum exports

Explanation:

Saudi Arabia's oil exports are a major economic branch. Almost all economic income in the country (about 90%) is based on oil exports. Oil in Saudi Arabia was discovered in 1932, and since then, it has become a major economic factor in the country. Before the discovery of oil, Saudi Arabia was a poor country. The main activities were livestock and agriculture. Before discovering oil, Saudi Arabia based its economy on religious tourism, which still plays an important role in the country's economy.

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