We could not, as a nation, grow larger if we continued to think smaller. This iron road has granted us the opportunity to expand our minds and our country. It has made the impossible possible. It has connected the heart of our great nation with a central artery that runs through nearly 2,000 miles of America. Thanks to the effort of Union Pacific and its friendly counterparts, the economy of this great country has bloomed. Not only is cross-country trade now in place, but we also have greater access to trade with the world. What used to take six months of travel and thousands of dollars for an individual to travel to California in a stagecoach has been decreased to days with minimal cost. Let us rejoice in our accomplishments and ride the rails to the future! In one sentence, state the central idea of speech