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.
In January 1865, Congress proposed an amendment to the Constitution which would abolish slavery in the United States. On December 18, 1865, Congress ratified the Thirteenth Amendment formally abolishing slavery. The Civil War ended on April 9, 1865. Abraham Lincoln was assassinated less than one week later.