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 Civil War began because of an increasing push to place protective tariffs favoring Northern business interests and every Southern household paid the price. 6/30/2013: We were surprised by some of the reactions to our recent article on protective tariffs as one of the primary causes of the Civil War.