fossils, glaciers, and complementary coastlines
The answer would be transform boundaries where crust is neither created or destroyed and an example is movement on the San Andreas Fault which is primarily lateral movement on or close to the surface and no melting of rock is involved.
Religion, because it's something that families and cultures would pass down through their generations
They divide along the 38th parallel.
The government completely lost control of its territory.
or
The rule of law failed when the president was forced from office.