During the late 1800s and early 1900s the modern United States has resembled because of the following:
the period was characterized with technological breakthroughs, creation of new businesses, new inventions (example: light bulb) , new methods, new ideas, businesses primarily concerned with the economy.
Abraham Lincoln successfully prosecuted the Civil War to preserve the nation. He played in key role in passage of the Thirteenth Amendment, which officially ended slavery in America
