Alan BAUMLER
Guangzhou (Canton), China’s major trading port, in the late nineteenth century. Guangzhou was the only port open to foreign trade until the end of the First Opium War. In the five designated “treaty ports” that opened in 1842 as a result of the war, foreign concessions operated under the laws of their own land.
Extraterritoriality, the principle that allows foreigners to be governed by the laws of their own land, was
