Which innovation from the Song dynasty would have the largest impact on the expansion of global empires?

very, very complex question. and (and hi btw). this war lasted from 1861 to 1865. it was between the north and the south. it began as a result of the long-standing controversy over the enslavement of african american people. it broke out when secessionist forces attacked fort sumter in south carolina when after abraham lincoln had been inaugurated as the president of the united states.

message me if you need more on this, uh question

deflation   hope this

he came up or eelped come up with the jersy plan