The supply curve is a function that represents different combinations of prices and quantities. Those quantities, are the amounts that producers of a certain good or service are willing to manufacture and/or sell at each price level.
It is an upward-sloping function as, according to the law of supply, the higher the market price, the larger the number of units that producers are willing to supply in the market.
This campaign started as a movement in 1963 led by Southern Christian Leadership Conference. It began when Martin Luther King Jr. told reporters that that there was an agreement with Birmingham in 90 days time.
