Neptune has six known rings. Voyager 2's observations confirmed that these unusual rings are not uniform but have four thick regions (clumps of dust) called arcs. The rings are thought to be relatively young and short-lived. Neptune has 13 known moons, six of which were discovered by Voyager 2.
Why was slavery introduced to the English colonies? Slavery was introduced to the English colonies because people were  in need of labor to develop the lands. There was a lot of work to  be done, and there was little money toâ¦ pay for labor. The human  trade was a solution to the issue. Although, this was not a humane  practice.
08 May, 2012 when did 0. Slavery in the United States was common in North America for at least 100 years before the founding of the United States. Most of these slaves were from Africa, or of African descent, and were owned by white settlers.Slave labor was especially sought after in the Southern United States, because this area offered fertile land for growing crops.any states outlawed the practice and slaves attempted to escape to these locations. The issue came to a head when Abraham Lincoln, who opposed the spread of slavery, was elected President in 1860.