(Bloomberg) -- Prime Minister Justin Trudeau’s government identified 56 federal properties, representing the size of about 2,000 hockey rinks, where hundreds of new affordable homes could be built to counter the scarcity of available land worsening a housing shortage.Most Read from BloombergSydney Central Train Station Is Now an Architectural DestinationNazi Bunker’s Leafy Makeover Turns Ugly Past Into Urban EyecatcherChicago Overcomes DNC Skeptics With Calm, Parties and SunHow the Cortiços of S