They are connected in series positive (+) to negative (-) for greater voltage, or in parallel (+ to + and-to -) for greater current capacity. The individual cells inside a 9-volt battery. An everyday examples of a battery is the 9-volt transistor battery, which is six 1.5-volt cells in series.
Definition of Erie Canal. Definition: The Erie Canal was the nation's first Important transportation system connecting the Atlantic Ocean, via the Hudson River in Albany, eastern New York, with Lake Erie. The Erie Canal stretched for 363 miles providing the first waterway connecting the Great Lakes with the Atlantic Ocean.
There are two schools of thought regarding the impact of the Erie Canal on New York City. While one cautions attributing New York's success and development to the construction of the canal, there are others who argue, as one unnamed historian does, that the canal played a most important role in the commercial development of the State of New York and probably more than any other influence contributed to the establishment of New York City as the chief port of entry of the United States.