Sovereignty refers to a territory's highest authority. Sovereignty implies both internal state hierarchy and external state autonomy.
Option (b) is the correct answer as it is not true.
A sovereign state is one that is not reliant on another. It is a sovereign state with the ability to make its own decisions, govern itself, and pursue both foreign and domestic policy.
Therefore, the below statements are true;
For more information about sovereign states, refer below
https://brainly.com/question/1085897