If this is a true or false question, then that's true.
The answer is d. A theocracy is a government form in which a religious king or group rules over a kingdom/country. For a modern example, The Vatican City is a theocracy.
In the period of industrialization, it was easier to harvest crops so supply went up and demand stayed the same causing prices to drop. The "newly" freed slaves also started farming, increasing the supply.
That would be choice C. the index fossils.
I hope this helps you! :)
