ankow, now known as Wuhan, was one of the Yangtze River cities opened up to foreign trade by the 1858 Treaty of Tienstin. Many famous clippers, such as the British Cutty Sark, loaded tea at
Hankow...
An exclusive license granted by a host country to explore and develop oil. The oil company receives the exclusive right to explore and drill in the specified geographical area and obtains a...