Because steam engines runs on coals and it is an abundant resource
The Gilded Age displayed considerable amounts of foul play ineconomic exploitation, political corruption, and unethical business practices. Many people who saw the unlawful ways of the rich and powerful took action to better the American society. Many reformers of the Gilded age were successful in bringing the change they desired; the reforms are still in effect to this day in our country, working to protect American citizens from unfair business practices that concentrated economic power, subjected workers to horrific labor <span>conditions, and outcasted the mentally ill. That probably doesn´t answer your question at all, but I tried.</span>
Wilson's attempts to gain acceptance of his Fourteen Points ultimately failed after France and Britain refused to adopt some specific points and its core principles.
He trained rats in the correct route through a maze,then deliberately damaged their brains and observed that this did not inhibit their progress through the maze.