Why do countries depend on a unitary system of government?

The countries are small in terms of territory and population.

Explanation:

Some countries adopt a unitary system of government because of the following factors or reasons: The countries are small in terms of territory and population. They are relatively homogeneous and there is an absence of marked ethnic inequalities. They have limited skilled personnel and economic resources.

To keep thing's people and activity's in order, and to maintain a sense of control over the general population.

Explanation:

b. they tried to evict the squatters from the area.

so sorry if wrong

an early twentieth-century ad for model home blueprints