in what country do the two main tributaries of the nile river join
Nile The Nile has two major tributaries, the White Nile and Blue Nile. The White Nile is considered to be the headwaters and primary stream of the Nile itself. The Blue Nile, however, is the source of most of the water and silt. The White Nile is longer and rises in the Great Lakes region of central Africa, with the most distant source still undetermined but located in either Rwanda or Burundi. It flows north through Tanzania, Lake Victoria, Uganda and South Sudan. The Blue Nile (Amharic: ዓባይ?, ʿĀbay[6][7]) begins at Lake Tana in Ethiopia[8] and flows into Sudan from the southeast. The two rivers meet just north of the Sudanese capital of Khartoum.[9]
Nile The English name Nile and the Arabic names en-Nîl and an-Nîl both derive from the Latin Nilus and the Ancient Greek Νεῖλος.[9][10] Beyond that, however, the etymology is disputed.[10][11] Hesiod at his Theogony refers that Nilus (Νεῖλος) was one of the Potamoi (river gods), son of Oceanus and Tethys.[12] Another possible etymology derives it from a Semitic Nahal, meaning "river".[13] The standard English names "White Nile" and "Blue Nile", to refer to the river's source, derive from Arabic names formerly applied only to the Sudanese stretches which meet at Khartoum.[14]