The change in quantity supplied of red wine is a result of a change in market price. Moving from point A to B or C is a movement along the supply curve. The actual supply curve did not change shape, only the market price for red wine changed and thus the quantity supplied by the producers changed.
The dream of spanning the Golden Gate Strait had been around for well over a century before the Golden Gate Bridge opened to traffic on May 28, 1937. Pedestrian Day was held on May 27, 1937. We do not have the exact employment figures. The Bridge was built by 10 different prime contractors and their subcontractors.
Share this: As thousands of people jam the deck of the Golden Gate Bridge during Sunday morning's bridge walk, one person walks across the span 220 feet above the San Francisco Bay, Ca., May 24, 1987. An estimated 350,000 people turned out for the bridge walk, which kicked off the Golden Gate Bridge 50th anniversary celebration.