The answer is A the eastward expansion of Russia under Catherine the great. Let me know if you get it right...
Explanation:
The passive voice is a verbal construction in some languages for which is presented to the subject as passive, while action taken by the verb is performed by a complement and not by the subject agent the verb in active voice.
Driving laws offer protection to anyone on the road, to maintain everyone safe
National Harbors aided industrialization in Great Britian