The Berlin Blockade (24 June 1948 – 12 May 1949.1) was one of the first major international crises of the Cold War. During the multinational occupation of post–World War II Germany, the Soviet Union blocked the Western Allies' railway, road, and canal access to the sectors of Berlin under Western control.
Answer:
Treaties can invole two parties, or several parties (bicamarel/multilateral). An agreeement is when the terms for entry into force as specified in the agreement are met.
Article VII stipulated that nine states had to ratify the Constitution for it to go into effect.
Can you give more detail of what you are looking for