How did the influx of people after world war ii impact canada 1. it caused high unemployment. 2. it led to stricter immigration laws. 3. it provided needed workers. 4. it expanded settlements in the northern lands.

3. It provided needed workers

Explanation:

After the initial period of the British and the French colonies the immigration of settlements of the aboriginals took place over two centuries and took place mostly in the World War I and by the second world war, it peaked to 282,000  as many were from Italy and Portugal and together made Canada multi-ethnic country and as thee was a lack of jobs that pulled the workers to Canada and there provided workers for the British.

Dall of the above all of the choices make sense