Well, It's either OCD or PTSD... Depending on what the person has gone through in the past, it could be PTSD, PTSD would be caused by being traumatized by something, Like if I got robbed, i would check if my doors are locked.
1. Oxygen (O2)
2. Carbon Dioxide (CO2)
3. Water (H2O)
4. Glucose (C6H12O6)
5. Adenosine Triphosphate (ATP)
It needs
a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and fact a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and factS
I think it was the creation of natural rights and the Declaration of Independence. These ideas were ignited during the Age of Enlightenment, wherein people learn to reason and rationalize the things and situation around them. They were able to hone the idea of democracy as well as improved the idea of government, which pave way to creation of constitutions and city-states