The definition of a graph is a diagram showing the relationships between two or more things. An example of graph is a pie chart. Graph is defined as to create a diagram that shows a relationship between two or more things. An example of graph is to create a series of bars on graphing paper.
President Abraham Lincoln - Slavery Abolished: On September 22, 1862 President Abraham Lincoln, United States of America, took the first step to abolish slavery Home President Abraham Lincoln - Slavery Abolished On Sept. 22, 1862, United States of America  issued the preliminary Emancipation Proclamation, declaring all slaves in rebel states should be free as of Jan. 1, 1863.
Slavery ended in the United States 6 months after the civil war with the 13th Amendment. December 6, 1865. In the US, slavery ended in December of 1865 when the 13th Amendment was ratified. The Blacks were officially freed from slavery by the Thirteenth Amendment, passed by the Senate on Apr. 8, 1864, passed by the House on Jan.31,1865 and proclaimed as adopted on Dec. 6,1865.