Loss of habitat is the single greatest threat to any species. If an island on which an endemic organism lives becomes uninhabitable for some reason, the species will become extinct. Any type of habitat surrounded by a different habitat is in a similar situation to an island.
Waltham, MA. Waltham is a city in Middlesex County, Massachusetts, United States, was an early center for the labor movement, and major contributor to the American Industrial Revolution.
The Mills of Francis Cabot Lowell. Francis Cabot Lowell died in 1817, at the early age of forty-two, but his work did not die with him. Capitalized at $400,000, the Waltham mill dwarfed its competition. So great were the profits at Waltham that the Boston Associates (the group of Boston investors that joined with Lowell) soon looked for new sites, first at East Chelmsford (renamed Lowell), and then Chicopee, Manchester, and Lawrence.