Andrew Carnegie was the innovator that was most responsible for making the United States a world economic power. The correct option to the given question is option "D". Andrew Carnegie was the person that introduced Bessemer process of steel production. His company was the first United States company that was made into a corporation and got valued over 1 billion dollars.Andrew Carnegie was born on 25th November in the year 1835 and died on 11th of August in the year 1919.During the later stages of his life, he contributed about $350 million towards charity.