You can send a text, include contact info to get a response.
You probably know that by the middle of the 19th century, the British dominated India. The British introduced railroads and electricity, public health and infrastructure, and a population boom began. By the end Victoria became the Empress.
But before the French Revolution the British footprint in India was relatively small. It was during the revolutionary wars and the Napoleonic wars that British control and domination greatly expanded, from early footholds in Bengal and Madras.
The China trade was responsible of one six of British state revenue during this period so it was of vital importance. Also, tea had an interesting property, the people who drank it did not need to dedicate so much grain to small beer production, allowing tea to change the supply and demand equation for grain, during a critical period.
There is also the argument that the Chinese authorities contributed to the opium trade by not allowing any legal trade. The drain of silver into the immensity of China is a problem that was going to be solved, whenever the right product was found.
The Tokugawa were prompted to make serious reforms by embarrassments caused by young Pellew and the Russian under Rezanhov.
The Vietnam story of Gia Long and Bishop Pigneau is probably the most interesting.
Oman and Muscat reinforce the idea of the struggle between imperialism and the pursuit of profits for the East India company. imperialism is expensive. The company lost money, and doubled its debt during one of the periods we are discussing.