The given state in the question is correct in many ways.
Religion played a fundamental role in Medieval Society. The clergy or church officials were most influenced people in medieval society. The Church officials like cardinals, archbishops, bishops, and abbots who ca from nobility vied from church positions and accumulated wealth. Church officials educated as they read Latin and had avast control over education and charity.
The church was the head of the society as they made rules and regulations and controlled people. People life depended on church teaching as it played a vital role in providing peace and salvation from suffering and sins.
In the Carter Doctrine of 1980, Carter declared that the United States would resist, if necessary with military force (including ground troops), any attempt by a foreign power to gain control of any country in the Persian Gulf region
