The Bessemer Process was an innovative way to produce steel.
- Increased the quality of steel
- Allowed for mass production
- More construction of skyscrapers
I think that the best answer is the geographic location: many other countries (Sweden for example) have tried being neutral at different times but did not manage to: but the fact that the US has only two boundaries, and that both other countries also have a history of fighting from independence from a European power, makes it possible that unless US decideds to get involved in international politics, it can be "left alone".
The man who is considered one of the greatest inventors in history<span> is. Thomas Edison.</span>
