Alfred von Schlieffen his troops were pushed back in the Battle of the Marne. Schlieffen was perhaps the best-known contemporary strategist of his time, although criticised for his "narrow-minded military scholasticism." Schlieffen's operational theories were to have a profound impact on the development of manoeuvre warfare in the 20th century, largely through his seminal treatise, "Cannae", which concerned the decidedly un-modern battle of 216 BC in which Hannibal defeated the Romans. Cannae had two main purposes. First, it was to clarify, in writing, Schlieffen's concepts of manoeuvre, particularly the manoeuvre of encirclement, along with other fundamentals of warfare. Second, it was to be
Sexuality in ancient Rome reviled throughout Latin literature. In general the Romans had more flexible gender categories than the ancient Greeks. A late 20th-century paradigm analyzed Roman sexuality in terms of a "penetrator–penetrated" binary model, a misleadingly rigid analysis that may obscure expressions of sexuality among individual Romans. Even the relevance of the word "sexuality" to ancient Roman culture has been disputed, but in the absence of any other label for "the cultural interpretation of erotic experience", the term continues to be used. Ancient literature pertaining to Roman sexuality falls mainly into four categories: legal texts; medical texts; poetry; and political discourse. Forms of