Answer:
early adopter
Explanation:
early adopter means a person who used company or organization new and innovative product, goods and technology before the usage of other customer. so in this case Fred is early adopter who evaluate each products before adopting and common use.
Next is the answer to tell the reader that the author is using chronological order to organize the writing <span />
The "he" here is Constantine the Great, and he moved the capital of the Roman Empire to the city named Constantinopole, previously Byzantium, which today is known as Istanbul, Turkey's biggest city.
I would go with A.
Hope i was able to help :)
