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.
A senator from Vermont first introduced a bill to ban the importation of slaves in late 1805, and President Thomas Jefferson recommended the same course of action in his annual address to Congress a year later, in December 1806. The law was finally passed by both houses of Congress on March 2, 1807, and Jefferson signed it into law on March 3, 1807.