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.
The Trent Affair occurred between November 1861 and January 1862  during the American Civil War. The Confederacy had sent envoys to  Europe to try to garner their recognitio â¦ n of the Confederacy as a  separate nation, but these envoys were intercepted by the Union.