<span>b. it would allow him to take over the Dardanelle Straight and provide Russian ships access to the Mediterranean Sea</span>
In general, this statement is true, since throughout history many colonies have been used for this purpose, although there are many other reasons colonies are formed, such as to escape religious persecution.
Answer:
a
Explanation: there you go my man
Answer: B is correct (Edict of Milan).
Explanation: Christianity became state religion. No more Roman pagan cults or cults imported from other parts of Empire. They did not disappear immediately, but Christianity became a state religion, i.e. Christians were no more persecuted and executed.