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.
The Erie Canal helped New York become the financial capital of the world and created a cheap and easy way to the west. Historians believe that the Civil War may have ended differently if there was no Erie Canal. The opening of the Erie Canal enabled trade between the East and the West, which helped the Midwestern farmers prosper. This encouraged Northerners to move to the Midwest.