Now fast forward to Canada of the 21st century and as MoS tells us thanks to the Harper Conservatives history does indeed repeat itself.
A Chinese-owned coal mine in northern B.C. knew a pot of gold when it saw one and went for it. They began by duly advertising their jobs in Canada - at rates $10-17 lower than comparable wages at nearby mines. But they also stipulated applicants needed to speak Mandarin Chinese. And then, when all those Manadarin-speaking Canadian miners didn't jump at the chance to get the low-wage jobs on offer, the Chinese moved to bring in 300 Chinese miners.
Go read the rest of MoS's great post Another Window into Harper's Sleazy Guest Worker Programme