What event made the unification of italy or germany possible

oh this is easy it was the Napoleonic invasions through Germany Russia Italy and Austria. aka the Napoleonic wars in the early 1800's

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

explanation:

they were byzantines