This might not be much help but i know for a fact Constantine is definetly an answer so you can rule out the ones he's not in.
The best option from the list would be that "<span>b. He was successful in unification of the norther third and administered it with help from local rulers," since this kept down local insurrections. </span>
Hi there!
The answer would be - B.
These powers are also known as "Delegated" powers.
Hope this helps you!
~DL ☆☆☆
Industrialization changed all that. The same specialization of labor that occurred in factories occurred in the lives of working-class families, and this broke up the family economy. Work and home life became sharply separated. Men earned money for their families.