Who was samuel slater and who was francis lowell

Slater, a skilled British textile machinery engineer helped to develop the country's first cotton spinning mill. Lowell, a member of a prominent New England mercantile family, established the first integrated cotton spinning and weaving facility in what became the city of Lowell, Massachusetts.

South Dakota

Explanation:

Located in the north-central USA, South Dakota's Black Hills are one of mid-America's favorite vacation destinations.