Agriculture is still the #1 industry in North Dakota's economy. The state typically leads the nation in over a dozen crops. Production agriculture is an important part of the North Dakota economy. 1  North Dakota continues to work to diversify its agricultural fabric by targeting the development of value added agriculture. Definition of Value Added Agriculture.
Brazil was the last American nation to abolish slavery, on 13 May, 1888. At the time Rio represented the largest urban concentration of slaves since the end of the Roman empire, more than 40% of the population, almost a complete city in irons.
Abolition of slavery in the United States. The slave trade was abolished in the United States from 1 January 1808. However, some slaving continued on an illegal basis for the next fifty years. One popular subterfuge was to use whaling ships.