There were social changes in the early-to-mid 1800s worth noting. In 1826, the Lowell System consisted of factory-based cities, with the planning of the city and its housing based on the existence of jobs in the local factory. Lowell, Massachusetts, was the first example. | There were social changes in the early-to-mid 1800s worth noting. In 1826, the Lowell System consisted of factory-based cities, with the planning of the city and its housing based on the existence of jobs in the local factory. Lowell, Massachusetts, was the first example. |