Answer: popes: it was them who constitued legacy of Jesus Christ in the West and claimed for themselves a positon of God´s ministers. Emperors: popes and church should follow Jesus Christ´s example and the ecclesiastical doctrine. They (popes) should not be dominated by temporal/profane power and material goods.
Explanation: Political ambitions of the church were provable but also logical because who disposed human capital necessary for building effective society was a church (at least during early middle ages). Disputes between popes and emperors became increasingly frequent in the 14th century. But there are also many examples of their collaboration.
It would be the "Red Scare" that was <span>the name given to the widespread fear of suspected Communists and radicals in the United States after World War 1. Since "red" was a color associated with the communist movement. </span>