Upstate New York treaties drawn up after the war ceded much of the land to settlers of European descent. It is largely rural with rugged terrain. The development of Upstate New York was spurred by the opening of the Erie Canal in 1825, which greatly eased the transport of goods between the port of New York City and inland cities along the Great Lakes. As a result, Upstate became a hotbed for manufacturing, giving birth to such firms as General Electric, IBM, Kodak, and Xerox, and it welcomed a large influx of immigrants. Since the mid 20th century, American de-industrialization has contributed to
Eastern Great Lakes and Hudson Lowlands (ecoregion) addition the World Wildlife Fund developed its own classification system, in which much of this region is called the Eastern Great Lakes lowland forests. Eastern Great Lakes and Hudson Lowlands (ecoregion) The Eastern Great Lakes and Hudson Lowlands region extends along the south shores of Lake Erie and Lake Ontario and the St. Lawrence River to Lake Champlain, and south down the Hudson River. It is primarily within the state of New York. In the north it meets the Mixedwood Plains Ecozone of Canada. It is mostly temperate deciduous forest and agricultural land. It is one of the 104 Level