1+and+2
131Supply and demand — For other uses, see Supply and demand (disambiguation). The price P of a product is determined by a balance between production at each price (supply S) and the desires of those with purchasing power at each price (demand D). The diagram shows a… …
132History of Trinidad and Tobago — The history of Trinidad and Tobago begins with the settlements of the islands by Amerindians. Both islands were encountered by Christopher Columbus on his third voyage in 1498. Tobago changed hands between the British, French, Dutch and… …
