Traditional fishing boat were used for war and trade. Some ancient vessels were propelled by either oars or sail, depending on the speed and direction of the wind (see trireme and bireme). The Chinese were using sails around 3000 BC, of a type that can still be seen on traditional fishing boats sailing off the coast of Vietnam in Ha Long Bay. A jangada is an elegant planked fishing boat used in northern Brazil. It has been claimed the jangada dates back to ancient Greek time. It uses a triangular (lateen) sail, which allows it to sail against the wind. A felucca is
Hymn to the Nile washed away. However, if the water level was not high enough it would bring famine and misfortune to their lives. The happy medium was praised by the Egyptian people and looked at as a miracle for life itself. Agriculture boomed when the Nile River produced a middle ground to grow crops to feed the society. Crops have so much importance to keep a civilization up and running, and the Nile River made this and so much more possible for Egypt. There are many quotes in the hymn itself showcasing their gratitude for the Nile River supporting their crop growth. For