The revolutionary Franciso de Miranda presented his ideas to the British government about the independence of Spanish territories in America.
They attempted to seize Buenos Aires and Montevideo in 1806 and 1807, during the British invasions of the Río de la Plata, but were eventually defeated by the Spanish army and the local militias.
An addition to the plan was added by Home Riggs Popham with an attack on Venezuela at the behest of Francisco De Miranda.
According to Argentine historians like Felipe Pigna and Rodolfo Terragno, José de San Martín, the Argentine general and prime leader of the southern part of South America's successful struggle for independence from the Spanish Empire, was introduced to the plan (during his stay in London in 1811) by members of the Lautaro Lodge: a Freemasonic Lodge founded by Francisco de Miranda and Scottish Lord MacDuff (James Duff, 4th Earl Fife).
[3] From the 1840's Great Britain exercised huge political influence in the new sovereign states of Latin America through finance and commerce, essentially creating an Informal empire.