Anchor: In the aftermath of the Opium Wars, trade in  foreign mud  was resumed at a level even higher than before, although the major traders, by now respectable and diversified, stopped their trading in 1907.
Entailed: Trade in foreign mud was resumed at a level even higher than before, in the aftermath of the Opium Wars.
Contradiction: In the aftermath of the Opium Wars, trade in foreign mud was at the lowest level ever, because the major traders, by now respectable and diversified, stopped their traidng in 1907.
Contradiction: Is there only one solution to the task?
Contradiction: Issuing a response on the matter to America.
Contradiction: I chose a theory at random.
Contradiction: We are men, aren't we?