You can sign up for Medicare beginning three months before you turn 65, and coverage can start as soon as the first day of your birthday month. The initial enrollment period lasts until three months after your 65th birthday.
A: An executive agreement is an arrangement established by the President of the United States between the US and another foreign nation or agency. The answer is D: pact with president and foreign heads of state.
An executive agreement is one of three mechanisms by which the United States enters into binding international agreements. They are considered treaties by some authors as the term is used under international law in that they bind both the United States and a foreign sovereign state.his article is about executive agreements between nations in general. For information on executive agreements in US foreign policy, see Foreign policy of the United States#Law.