Answer: A confederation.
Explanation:
A confederation is the union of various states that unite for a specific purpose and delegate the powder to a central government. Confederations are often created in critical situations to make faster decisions intergovernmental.
For example, in America, the original 13 states signed the "<em>Articles of Confederation</em>" which are considered the first constitution of the republic, it was created to unite the 13 states and claim independence from England.
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Answer:1)the United Nations 2)Yalta Conference 3)Roosevelt,Churchill,and Stalin
Answer: The Iron Curtain formed the imaginary boundary dividing Europe into two separate areas from the end of World War II in 1945 until the end of the Cold War in 1991. The term symbolized efforts by the Soviet Union to block itself and its satellite states from open contact with the West and non-Soviet-controlled areas.
In 1870,25 American cities had populations over 50,000.