The correct answer is Islam.
Islam became an important link for the trading posts along the Swahili coastline as it providing a unifying culture to bring the communities together.
Answer:
A
Explanation:
That was the original intention of OPEC when it was founded in 1960.
However it has used oil as a political leverage, for example after the Yom Kippur war in 1973, to get greater Western support for the Palestinians.