Final answer:
The United States and its allies provided supplies to West Berlin for 11 months and 2 weeks to overcome the Berlin blockade.
Step-by-step explanation:
The United States and its allies provided supplies to West Berlin to overcome the Berlin blockade for a total of 11 months and 2 weeks. The Berlin blockade began on June 24, 1948, and ended on May 12, 1949.
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