Dmitri Mendeleev presented his periodic table of the elements based on increasing atomic weight on March 6, 1869, in a presentation to the Russian Chemical Society. While Mendeleev's table was the first to gain some acceptance in the scientific community, it was not the first table of its kind.
In the end, the British sale of opium was used as means for  obtaining more land and trading rights from the Chinese, leading to  the devastation of the Chinese government and economy which is why  The First Opium War will be remembered in history as the time when  China was ultimately betrayed by the British.
1 They were given Hong Kong after the first opium war between the British and china. 2  This war was caused because the British were smuggling in opium a drug that is very addictive. the British pretty much tried to drug china.3  So china then challenged the British to war and china ended up losing the war. yes but still no they did not need a bigger empire they already had a big enough empire. 2  They were given Hong Kong after the first opium war between the British and china. 3  This war was caused because the British were smuggling in opium a drug that is very addictive. the British pretty much tried to drug china.