Why do we have “food deserts,” which are neighborhoods … and sometimes entire towns and small cities … with no grocery stores? Part of the answer lies in federal antitrust regulations that once protected small, locally owned grocers but no longer do. Haven’t heard about this part of the food desert story? Here you go. https://99percentinvisible.org/episode/634-food-deserts/
Food Deserts - 99% Invisible

Woonsocket, Rhode Island was once home to many locally owned and regional grocers. There were small stores such as Fernandes Produce and Big D’s. The city also had supermarkets from classic New England chains like Star Market and Almacs. Over the years, however, the city’s economy took a turn for the worse. Factories closed and

99% Invisible