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: Abolitionism. The issue of slavery was further heightened by the rise of the Abolitionist movement in the 1820s and 1830s. Beginning in the North, adherents believed that slavery was morally wrong rather than simply a social evil.
The main cause of the genocide was the death of the president from a plane-crash caused by missiles fires from a camp. The many refugees from the 1994 combat caused a biodiversity problem. Somalia civil war â A civil war was fought in Somalia 1991. One of the most striking effects of the war was over fishing.