who invented the alaska state in usa?

Question

the important mineral reources crud oil etc

Answer 1

It was not invented, it was purchased from Russia. Secretary of State William H. Seward arranged for the United States to purchase Alaska from Russia in 1867 for 7.2 million dollars, or 2 cents per acre

Answer 2

It was purchased from Russia for $7.2 million - a bargain at 2 cents an acre - but was called Seward's Folly or Seward's Icebox
as a mockery to the Secretary of State who signed the deal.

One of the best purchases ever made!