Answer:
It established the Church as a political force.
Explanation:
The crowning of Charlemagne by Pope Leo III gave a lot of political power to the Catholic Church.
It established the Pope as the legitimate authority who would crown the Holy Roman Emperors. The Pope also obtained a geographical region under his direct control: the Papal States, which were given by Charlemagne to the Pope in exchange for his crowning.
Answer:
The changes helped end unrest and protect against invasions
Explanation:
Steel, Andrew Carnegie first used it to mass produce steel and got rich, then he gave that his riches to charities .