Andrew Carnegie founded the Bessemer Process, which quickened the steel making process. He also used Vertical Integration to corner the steel market.
The United States and the USSR were the lone remaining superpowers left after World War II.
As a result, they viewed proxy wars much like a chess player viewed moving a pawn. If they could get a strategic advantage in Algeria or El Salvador or Cuba, they would take it and lord it over the losing superpower.
Lusitania was primarily used to ferry people and goods across the Atlantic Ocean between the United States and Great Britain. The sinking was important because
Its sinking caused moral outrage both in Britain and in the US and led, ultimately, to the USA declaring war against Germany.
Great Britain should be teh answer xD
Hope This Helps ☺
Answer:
It led to more trading partners and more industries