How many people did the welland canal effect?

Is the blue whale the biggest fish in the ocean? How many castles are on the Rhine river? Names of English rivers? What do scientist call the movement pattern of deep ocean currents? Why was shifting cultivation practice banned by European foresters? Who wrote life is a roller coaster? Should i have an Extraction or a root canal? How long are sloths pregnant? What term describes a dry area river? Name of 7 wounders? Where are the Great Pyramid and sphinx located? What steps should you take to conserve your mineral wealth? How long did it take the expedition to reach the pacific ocean? What are three similarities between the Parthenon and the supreme court? When did Dr. DeBakey create the roller pump? What other monument is located only 17 miles from Mt Rushmore? How did the Erie Canal in New York and the first railroad in Maryland affect the rest of the country? What did Henry Bacon and Daniel Chester French have to do with the Lincoln Memorial? How did Frozen Head State park get its name? Do senior citizens get a discount at State and National Parks?