Where was the first American textile factory located

Slater established his first mill in 1790 on the Blackstone River in Rhode Island. It was one of the first factories in the United States. Three years later, in Pawtucket, he built Slater Mill, the first American factory to successfully produce cotton yarn with water-powered machines.

a sample of water is taken and kept in a beaker in a freezer at a constant temperature of 0°c. if the system is at dynamic equilibrium, which of these statements is true?  

answer; (c) slaves brought to the americans from africa;