Which of the following is not a way that the second industrial revolution differed from the first industrial revolution question 1 options: factories became more automated and the assembly line was introduced as industry became more centralized during the second industrial revolution, the wealth became more concentrated in the hands of a few industry tycoons. steam power was a driving factor in the early first revolution, where as oil and then electricity were common in the second the middle class declined as the gap between the rich and the poor grew larger