Pasal: The Great Depression in Canada during the early 1930s saw an economic downturn, leading to hardship across the country. Dina response ka downturn, nu Co-operative Commonwealth Federation (CCF) di Saskatchewan diwanohkeun loba unsur nagara karaharjaan (salaku dirintis ku Tommy Douglas) dina 1940s jeung 1950s. Dina nasehat ti Perdana Mentri William Lyon Mackenzie Raja, perang jeung Jérman ieu nyatakeun éféktif September 10, 1939, ku Raja George VI, tujuh poé sanggeus Britania Raya. reureuh nu underscored kamerdikaan Kanada. Unit Angkatan Darat Kanada munggaran anjog di Britania dina bulan Désémber 1939. Dina sakabéh, leuwih ti sajuta Canadians dilayanan di angkatan bersenjata salila Perang Dunya Kadua jeung kira 42,000 tiwas sarta sejen 55,000 anu luka. Pasukan Kanada dicoo loba peran penting dina battles konci perang, kaasup gagal Raid Die Occupied?
Taun 1944