In the mid-1800s, outbound migration from China increased as a result of the European colonial powers opening up treaty ports. The British colonization of Hong Kong further created the opportunity for Chinese labor to be exported to plantations and mines.
In the mid-1800s, outbound migration from China increased as a resul.t of the European colonial powers opening up treaty ports The British colonization of Hong Kong further created the opportunity for Chinese labor to be exported to plantations and mines.