As the Sunni Arab capitals of Cairo , Amman , Jordan , and Riyadh , Saudi Arabia , witnessed their own political influence in the region waning , Iran tried to fill the gap .
Jordan
Amman
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Saudi Arabia
Riyadh
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Jordan
Amman
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Saudi Arabia
Riyadh
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LOCATION
Cairo
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Amman
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Jordan
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Riyadh
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Saudi Arabia
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Iran