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During the early 1900s, Edmonton's rapid growth led to speculation in real estate. In 1912, Edmonton amalgamated with the City of Strathcona, south of the North Saskatchewan River; as a result, the city extended south of the North Saskatchewan River for the first time.[33]
Just before World War I, the boom ended, and the city's population declined from more than 72,000 in 1914 to less than 54,000 only two years later.[34] Many impoverished families moved to subsistence farms outside the city, while others fled to greener pastures in other provinces.[35] Recruitment to the army during the war also contributed to the drop in population.[36] Afterwards, the city slowly recovered in population and economy during the 1920s and 1930s and took off again during and after World War II.
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