Final answer:
The name of the nation's first modern supermarket that put many independent grocery stores out of business was Harlem River Cooperative Supermarket. It opened in Queens, New York in 1930.
Step-by-step explanation:
The name of the nation's first modern supermarket that put many independent grocery stores out of business was Harlem River Cooperative Supermarket. It opened in Queens, New York in 1930.
The founder, Cora Walker, sold shares to individual shareholders and aimed to provide quality food at fair prices. The founder, Cora Walker, sold shares to individual shareholders and aimed to provide quality food at fair prices.