Through its command of the sea, financial subsidies to allies on the European mainland, and active military intervention in the Peninsular War, Britain played a significant role in Napoleon's downfall.
With the execution of King Louis XVI in 1793, the French Revolution became a contest of ideologies between the conservative, royalist Kingdom of Great Britain and its allies and radical Republican France.
[1] Napoleon, who came to power in 1799, threatened invasion of Great Britain itself, and with it, a fate similar to the countries of continental Europe that his armies had overrun.
Britain's command of the sea meant that France could never enjoy the peace necessary to consolidate its control over Europe, and it could threaten neither the home islands nor the main British colonies.
After Napoleon's surrender and exile to the island of Elba, peace appeared to have returned, but when he escaped back into France in 1815, the British and their allies had to fight him again.
Historian Jenny Uglow (2015) explores a multitude of connections between the Army and its support network, as summarized by a review of her book by Christine Haynes: a whole host of other civilian, actors, including: army contractors, who provided massive quantities of tents, knapsacks, canteens, uniforms, shoes, muskets, gunpowder, ships, maps, fortifications, meat, and biscuit; bankers and speculators, who funded the supplies as well as subsidies to Britain's allies ... revenue agents, who collected the wide variety of taxes imposed to finance the wars; farmers, whose fortunes rose and fell not just with the weather but with the war; elites, who amidst war maintained many of the same old routines and amusements; workers, when the context of war found opportunities for new jobs and higher wages but also grievances that led to strikes and riots; and the poor, who suffered immensely through much of this. ...
[7]A key element in British success was its ability to mobilize the nation's industrial and financial resources and apply them to defeating France.
[8] Most important, the British national output remained strong and the well-organized business sector channeled products into what the military needed.