Answer:
Edison is regarded as one of the greatest inventors in history. He founded one of the world's first modern research laboratory. And in his lifetime, he patented more than 1,000 inventions.
On April 12, 1861, forces from the Confederate States of America attacked the United States military garrison at Fort Sumter, South Carolina. Less than two days later, the fort surrendered. No one was killed. The battle, however, started the Civil War, the bloodiest conflict in American history.
Charles Sumner, who was a Massachusetts senator in the U.S. government, died in 1874. He actively worked towards movements that would assist slaves in the south before, during and after the war. In the years leading up to his death, he and his colleagues continued to lobby for better rights for the African-Americans in the South.
