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Wealthy residents bought works of art, which supported artists.
The correct answer according to Apex is C. Libraries
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.
