Slavery in the US started in Jamestown in 1619 when the first Africans arrived as slaves.
The civil war started over "States Rights", not slavery.
No. Slavery was practiced in the U.S. since its founding, and even before that when the future U.S. was still a set of colonies.
Slavery started when Christopher Columbus first came to the Americas. He claimed the land his and enslaved all Native Americans. When Native Americans started to die from the small pox disease, because Christoper Columbus and his crew, they decided to enslaved African Americans and, brought them to the Americas to work because most of them where immune to the disease.
The 13th Amendment officially ended the slavery in the US
China
Well, I'm not really sure....but, Canadian Slavery stopped way before US Slavery. That's all I know...
Slavery became a larger issue in light of the Civil War starting to begin. However, slavery did not start the Civil War. That came about through many different issues with the economy and state's rights. Slavery was the straw to break the camel's back really.
Because of sectionalism which was caused by secession, states' rights, protective tariffs, Lincoln's election, and slavery.
Maryland was the first US state to support slavery.
Yes, there was slavery in the US (and the colonies before independence) for several hundred years.
Slavery in the United States is generally traced to 1620 and the Jamestown Colony in Virginia. At that time, slavery was an accepted practice in most of the world, including most of Africa.