Guadalcanal.
That was the first biggest offensive.
Witnesses?
Your question doesn't really have all the information necessary to have an accurate answer.
I think that The United States recognized Hawaii as its own nation and had to sugar tariffs imposed on the sugar that was being imported from the island to the mainland US.
The correct order for these major turning points was the
tool revolution
agricultural revolution
industrial revolution
technological revolution
Each of the mentioned brought with it a very important and drastic change which then massively influenced how the world has changed after it.
