riddle - separate with a riddle, as grain from chaff screen sift, sieve, strain - separate by passing through a sieve or other straining device to separate out coarser elements; sift the flour
Causes of the Civil War: Slavery and Control of the Government. Throughout the first half of the 19th century, Southern politicians sought to defend slavery by retaining control of the federal government.
An easy to remember list of the most important issues surrounding the causes of the war is: Militarism-many countries believed it was important to build large armies and navies. Alliances-the Triple Alliance and the Triple Entente were said to have been formed to help prevent war.