<span>Robert E. Lee surrendered the last major Confederate army to Ulysses S. Grant at </span>Appomattox Courthouse<span> on April 9, 1865. The last battle was fought at </span>Palmito Ranch<span>, Texas, on May 13, 1865. I hope this helped</span>
President Dwight D. Eisenhower was the first president to explain the domino theory, although he never actually called it the domino theory. He was explaining it in regards communism in Southeast Asia.