Cnidarians have two basic body forms, medusa and polyp. Medusae, such as adult jellyfish, are free-swimming or floating. They usually have umbrella-shaped bodies and tetramerous (four-part) symmetry.
The election of Abraham Lincoln in 1860 triggered the war between the union and the confederacy.Lincoln wanted to end slavery and keep the Union together. report this answer. Updated on Thursday, February 02 2012 at 04:17AM EST. Source: www.radford.edu/...he election of Abraham Lincoln in 1860 triggered the war between the union and the confederacy. Lincoln wanted to end slavery and keep the Union together. report this answer.
Origins of the American Civil War. For events following South Carolina's declaration of secession from the Union, see Battle of Fort Sumter and American Civil War. The Battle of Fort Sumter was a Confederate attack on a U.S. fort in South Carolina in April 1861. It was the opening battle of the war.