If you're talking about the idea of Italian unification from a historical perspective (Seeing as your question is found under the History tab), we can say that having a unified Italy would have made it a stronger country that would perhaps be a more important regional and world player in terms of politics and economy, if it were not for its city-states where each of them had their own agendas and interests.
Explanation:
Buddhist teachings were translated into Chinese. Then, with the breakdown of the Han dynasty, conversions to Buddhism spread among China's masses. They learned respect for India and they felt compelled to re-examine the theory that the Chinese emperor was the Son of Heaven and enthroned at the center of the world. I hope this helps.
The Monroe Doctrine. Washington warned the populous in his farewell address to avoid permanent relationships with foreign governments. This was stated again it what became known as the Monroe Doctrine from President James Monroe, in which he bolstered the position of the United States defense of the western hemisphere and warning foreign governments, especially those in Europe to stay out of North and South America, even through proxies and puppet governments.