Question

why did western nations become interested in saudi arabia during the twentieth century?
saudi arabia abandoned islamic law.
the nation set up european-style courts.
the country was becoming more modern.
oil was discovered on the arabian peninsula.

Explanation:

In the early 20th century, large reserves of oil were discovered in the Arabian Peninsula (including Saudi Arabia). Western nations, which were heavily industrializing and reliant on oil for energy, transportation, and manufacturing, gained strong economic and strategic interest in Saudi Arabia as a result of this resource. The other options do not align with the primary driver of Western interest.

Answer:

D. Oil was discovered on the Arabian peninsula.