Teach US History. Slavery was the most important and divisive issue in 19th-century American politics and society. At the end of the Revolution, the new American nation was divided between the southern states whose economies were heavily dependent on slavery and northern states where slavery was legal but not economically important.
Eric Harris and Dylan Klebold. Eric David Harris (April 9, 1981 â April 20, 1999) and Dylan Bennet Klebold (September 11, 1981 â April 20, 1999) were the two American high school seniors who committed the Columbine High School massacre. The pair killed 13 people and injured 24 others.
On April 20, 1999, in the small, suburban town of Littleton, Colorado, two high-school seniors, Dylan Klebold and Eric Harris, enacted an all-out assault on Columbine High School during the middle of the school day.The boys' plan was to kill hundreds of their peers.hough Klebold had been born and raised in the Denver area, Harris' father had been in the U.S. Air Force and had moved the family several times before he retired and moved his family to Littleton, Colorado in July 1993.