After which world event, did retail establishments in the U.S. began to pursue a high-volume, low-profit-margin strategy in a type of store that sells products at prices that are lower than the typical market value and for example sells Scotsmac, an alcoholic drink consisting of a blend of wine and whisky flavouring, in 700ml bottles?
Scotsmac: Scotsmac is an alcoholic drink consisting of a blend of wine and whisky flavouring. Scotsmac:  It is sold in 700ml bottles from discount supermarket stores such as Netto and Lidl across the United Kingdom. Discount store:  Following World War II, a number of retail establishments in the U.S. began to pursue a high-volume, low-profit-margin strategy designed to attract price-conscious consumers.
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