The answer explains Thomas Edison's phonograph invention, the American Civil War, and the Underground Railroad.
Thomas Edison invented the phonograph in 1877, which allowed sound to be recorded and played back, impacting the spread of music and communication. The phonograph was marketed for various purposes including entertainment, dictation, and recording family voices.
The American Civil War (1861-1865) erupted due to conflicts between slavery and anti-slavery factions, leading to significant amendments post-war that abolished slavery and granted rights to former slaves.
The Underground Railroad was a network of secret routes established to help enslaved individuals escape to the North, with figures like Harriet Tubman playing prominent roles in aiding freedom seekers.
https://brainly.com/question/6339271