When there is a rivalry in one aspect or sector of a certain populace, in this example between religious groups, there will be division among other sectors too. The extending of the country's power and the effort to influence other countries will be jeopardized.
Cities were unable to keep up with the demand for services
Because older elevators were able to move because of a bunch of chains so they didn't know how to make it so that the cord wouldn't get cut also they didn't know how to make the cord extend and move with the elevator.