<span>Opium Wars : gave Britain control of Hong Kong.</span>
I don't really know that much about history but I will try my best to help you
Personally I don't think its either of those, but if I were to choose one it would be the third. Those who live in glass houses should not throw stones.
As many people suppose one well organized event in which Tsar Nicholas ll was overthrown and Lenin and the bolsheriks took power