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.
The first Constitution of Argentina abolished slavery in 1853. This, however, did not apply to Buenos Aires, as it was not a part of the Confederation. Once Buenos Aires joined the Confederation in 1861, slavery was completely abolished in Argentina. Prior to the social history of the 1960s, few if any works focused on the black experience in Argentina.