Which development facilitated twenty-four hour factory operations, skyscraper construction, and mass transportation out of the inner city?
O Electric power
O Steam Engines
O The oil industry
O The steel industry

O Steam Engines

Explanation:

The steam engines is the development that facilitated 24 hours factory operations, skyscraper construction and mass transportation out of the city. This is because, the steam engine, is used to power the machines used in those industries. And, also, it powers the locomotives used in train as a means of transporting people from one point in the city to another location.

answer --

  the answer is you barrow money to buy stock

hope i have a wonderful

rain drop drop top my name is nick harris and this is my pawn shop