Primary Historical Evidence on Racism in British Columbia in the Early

Primary historical evidence on racism in British Columbia in the early 1900s would potentially include which of the following items?

A) An article written in 1972 titled “White Canada Forever”
B) A Vancouver police department report found in the back of an old filing cabinet detailing police raids on Japanese Canadian businesses conducted in 1928
C) A magazine article in last month’s Maclean’s magazine comparing recent attempts to change immigration laws with the Chinese Canadian Head Tax years
D) Signed documents by mining company owners on illegal labour practices against Japanese Canadians
E) B and D only