B writing system is the answer
To replace indentured servants which were becoming to hard to manage. People needed free labor.
Answer:
the years during Jesus Christ’s lifetime
Explanation:
The term anno Domini is Medieval Latin and means "in the year of the Lord", but is often presented using "our Lord" instead of "the Lord", taken from the full original phrase "anno Domini nostri Jesu Christi", which translates to "in the year of our Lord Jesus Christ".