Shintoism and Confucianism
(i think...)
Slavery came about when the slave trade did. The negative impacts on slavery coming from the slave trade resulted in a demographic disaster due to the large amount of African males being removed in the continent. Slavery was also caused destruction of cultural diversity during the time.
Answer:
The Union had many advantages over the Confederacy. The North had a larger population than the South. The Union also had an industrial economy, where- as the Confederacy had an economy based on agriculture. The Union had most of the natural resources, like coal, iron, and gold, and also a well-developed rail system.
They helped with naval warfare. since they were made of entirely of metal it was nearly impossible to sink them<span />