The war ended in Spring, 1865. Robert E. Lee surrendered the last major Confederate army to Ulysses S. Grant at Appomattox Courthouse on April 9, 1865.
The industrial revolution I have not learned that he srry
Europe would be in contact with lost knowledge sooner that in reality happened. As the arab nations were more civilized than some others, the cities were preserved and the really important work of the romans would be preserved and enhanced. The gods statues were destroyed and Islam would be the only religion.