Linked from
The 30 pages that link to First Opium War, each with the reason it gives.
Hong KongRelated: Its outcome began British rule over Hong Kong Island.
GuangdongRelated: The war began amid clashes over trade and opium around Guangdong’s ports.
Canton SystemRelated: The war forced the Qing government to abandon exclusive trade at Guangzhou.
GuangzhouRelated: The war ended the Canton System and altered Guangzhou’s foreign trade.
Treaty portsRelated: Its outcome opened the first treaty ports and imposed the system on Qing China.
British Hong KongRelated: Britain’s victory opened the way to acquiring Hong Kong Island.
Hong Kong IslandRelated: The war led directly to the cession of Hong Kong Island to Britain.
Xiamen IslandRelated: Its outcome brought Xiamen into the treaty-port system.
HowquaRelated: The war ended the trade order that had sustained Howqua’s influence.