Which arguments were used by the Pope and the emperor in the Middle Ages to justify their superior power over another

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.

in 1803 the louisiana purchase took place, doubling the size of the country. by 1840 almost 7 million americans had migrated westward in hopes of securing land and being prosperous. the belief that settlers were destined to expand to the west is often referred to as manifest destiny.

explanation:

four sitting presidents have been assassinated while in office but the first was abraham lincoln,