Answer:
none of the above
Explanation:
The Soviet Union and its affiliated Communist nations in Eastern Europe founded a rival alliance, the Warsaw Pact, in 1955. The alignment of nearly every European nation into one of the two opposing camps formalized the political division of the European continent that had taken place since World War II (1939-45).
<span>The "door" is the amendment process, which allows for changes to the constitution. They included it because things change and government must be capable of changing or it will stagnate and die. They did not make it an easy process, because the constitution was largely a very good document, and the limits that it placed on the government were very important, as most of them continue to be today.</span>