Pope Leo III crowned Charlemagne as Holy Roman emperor. What did this indicate about the Catholic Church? The Church wanted to give up its power to the emperor.
The Church had more faith in Charlemagne than in Pope Leo III.
The Church wanted to share power with the emperor.
The Church helped Charlemagne conquer much of Europe.

which time period is this? or is this story fictional, i'm going to need more info to answer this question

a countries leader should be motivated by the common good of the country.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.