[Solved] Mac awakens in the morning with an erection. Most likely, he A)needs to urinate. B)just had an erotic dream. C)woke up during REM sleep. D)None of the above Pan-German Associations: Organizations that promoted the unification of all German-speaking peoples into one nation, influencing nationalist sentiment in the 19th and early 20th centuries. National Union: A term that can refer to a political entity promoting national unity and interests, or a labor union representing workers from a particular country. Prussia and Austria: Two major powers in central Europe which played pivotal roles in regional politics, military conflicts, and the shaping of the continent's history from the 18th to the early 20th centuries. German Unification: The process that led to the consolidation of separate German-speaking states into a single nation, Germany, in 1871 under the leadership of Otto von Bismarck.