Why did Christians consider the bishop of Rome the most honored bishop of all?

The primacy of the bishop of Rome is largely derived from his role as the apostolic successor to Saint Peter, to whom primacy was conferred by Jesus, giving him the Keys of Heaven and the powers of "binding and loosing", naming him as the "rock" upon which the church would be built.

Explanation:

i think it's a)sparta

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.