Which river crosses the most countries during its drainage? A) Amazon river B) Nile river C) Danube river D) Congo river Related MCQs: Karaz is a drainage system is used in: According to the Indus Basin Treaty, the waters of the River Beas, River Ravi, and River Sutlej would be used by? Asian Development Bank has its headquarters in Manila, with …… countries as its members? Shatt al-Arab is the River that borders two countries, which are: