The American Civil War was a civil war fought in the United States from 1861 to 1865, between the North and the South. The Civil War began primarily as a result of the long-standing controversy over the enslavement of black people
Answer:
I am pretty sure it is "destruction of British merchant cargo by American warships". i apologize if I am wrong.
I believe it would be the spy system. During the war, some americans were for and against the war and independence. To keep in the know of what the british were planning, there was an elaborate spy system to spread information on the british troops where people acted as they were for british rule. :)
hope this helps!!
Americas: establishments of plantations drew Africa and slavery into the heart of the transatlantic economy.