Battle of Cannae supreme example of generalship, never bettered in history... and it set the lines of military tactics for 2,000 years". Hannibal's double envelopment at Cannae is often viewed as one of the greatest battlefield maneuvers in history, and is cited as the first successful use of the pincer movement within the Western world to be recorded in detail. Apart from being one of the greatest defeats inflicted on Roman arms, Cannae represents the archetypal battle of annihilation, a strategy whose successful implementation has been rare in modern history. As Dwight D. Eisenhower, the Supreme Commander of the Allied Expeditionary Force in
Ancient maritime history and the Bay of Bengal. South Asia had multiple maritime trade routes which connected it to Southeast Asia, thereby making the control of one route resulting in maritime monopoly difficult. Indian connections to various Southeast Asian states buffered it from blockages on other routes. By making use of the maritime trade routes, bulk commodity trade became possible for the Romans in the 2nd century BC. A Roman trading vessel could span the Mediterranean in a month at one-sixtieth the cost of over-land routes. The Ancient Egyptians had knowledge of sail construction. The first warships of Ancient Egypt were constructed during