What word means a marsh or bog, or any muddled, confusing situation?

A marlin's skeletal remains play a pivotal role in which 1952 literary work? A marriage-minded monster awaits which title creation in a 1935 horror classic starring Elsa Lanchester? What German word would you use for a married woman in Bonn or Berlin? What is the French word for "mister," as used in Marseille? Which adjective, used in Marxist theory, describes the middle class? A Maryland boy's 1949 exorcism was the main source for which author's 1971 bestseller? Which mathematician lived from about 287 to 212 B.C.? A mature Rome Beauty apple has skin of what color?