Detailed Instructions: In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Q: Context: Through the Cold War, the United States, Soviet Union and other countries contemplated the possibility of nuclear warfare. Link Information: The Cold War was a period of geopolitical tension between the Soviet Union with its satellite states (the Eastern Bloc), and the United States with its allies (the Western Bloc) after World War II. The historiography of the conflict began between 1946 (the year U.S. diplomat George F. Kennan's "Long Telegram" from Moscow cemented a U.S. foreign policy of containment of Soviet expansionism) and 1947 Question: What year did the US and Soviet Union begin the Cold War?
A:
Answer: 1946