Answer:
The Erie Canal ensured the status of New York City as America's premiere seaport, commercial center, and gateway to the interior – eclipsing New Orleans, Philadelphia, Boston, and Baltimore. It helped New York become the “Empire State” – the leader in population, industry, and economic strength.
Explanation:
By giving them the opportunity to become rich and work.<span />
True. Constantine was the ruler of Constantinople.
I pretty sure it’s the first option :) hope it helped.
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.