A 14th tiny, very dim, moon was discovered in 2013 and awaits official recognition. Triton, Neptune's largest moon, orbits the planet in the opposite direction compared with the rest of the moons, suggesting that it may have been captured by Neptune in the distant past.
History & Culture. The US Civil War lasted from 1861 to 1865 and led to over 618,000 casualties. Its causes can be traced back to tensions that formed early in the nation's history. Economic and social differences between the North and the South. With Eli Whitney's invention of the cotton gin in 1793, cotton became very profitable.
Slavery in the north was primarily in the shape of indentured slavery but slavery in the classic sense also existed side by side since 1619. Slavery in the north was abolished in the period of 1780-1804 and replaced with involuntary indentured servitude usually with contracts of 28 years duration.