"laissez faire" describes that kind of attitude
The Enlightenment is the period in the history of western thought and culture that characterized by dramatic revolutions in society, politics, science and philosophy. For many Americans, the main appeal of the Enlightenment was its focus on searching for useful and practical knowledge but what’s best summarizes the basic philosophy of the Enlightenment is that the reason could help humans achieve perfections in this world.
Answer:
the measured or measurable period during which an action, process, or condition exists or continues : duration. b : a nonspatial continuum that is measured in terms of events which succeed one another from past through present to future
The answer is Slator Mill