How is a unitary system of government different from a federal system?(1 point)

Question

In a unitary system, all powers are held by one government.
In a unitary system, most powers are reserved to provincial governments.
In a federal system, there are no checks and balances between branches of government
In a federal system, the head of the executive branch and the legislative branch are the same person.

Answer 1

In a unitary system, all powers are held by one government.