Answer:
Correct answers are:
He created a standard currency.
He expanded education by making it more available to people.
He helped the Roman Catholic Church grow.
He established a standard for written laws.
Explanation:
First option is correct because he created unified system across the whole Frankish Empire, including the currency.
Although illiterate, he funded the spreading of education across the whole country.
He helped the development of the Catholic as he father did, and was even crowned by the Pope.
Fourth option is wrong as he Christian, and didn't allow introduction of new religions.
Fifth option is wrong, as the Byzantine Empire still existed in the East.
Last option is also correct as he tried to codify the laws on the soil of his country.
