Consent will also be invalidated if it was induced by the fraudulent conduct of another party, or by the direct or indirect "corruption" of its representative by another party to the treaty. Coercion of either a representative, or the state itself through the threat or use of force, if used to obtain the consent of that state to a treaty, will invalidate that consent.
What type of conduct of a party to a treaty can invalidate the consent of another party? What type of action, either direct or indirect, of a state's representative by another type of party to a treaty can invalidate a state's consent? Coercion of a representative or a state itself will result in what happening to its consent to a treaty? Coercion of a state or its what through the threat or use of force, if used to obtain the consent of that state to a treaty, will invalidate that consent? What must  be true of coercion through the threat or use of force of a party to treaty for it to invalidate the state's consent to a treaty?