Physical Geography is a sub-train of two significantly bigger fields of study - Geography and Earth Sciences. The primary reason for Physical Geography is to clarify the spatial attributes of the different common wonders related with the Earth's hydrosphere, biosphere, climate, and lithosphere
The power is too centralized within a small group and gives them too much power. Leading to tyranny.
Explanation:
In an oligarchy, the power is divided between a small group of higher-ups and it can easily transform into a tyranny when one person becomes too influential.