(c) Pu When the President creates a treaty or an executive agreement, only one truly involves the system of checks and balances.Choose the answer that accurately describes how the checks and balances system works. A An executive agreement requires agreement between the President and the head of state of a foreign country B A treaty requires approval of the Senate with a two-thirds majority vote. C An executive agreement requires an incoming Presidents readition/atton to remain in force. D A.freely requires presidental ratification to become effective.