Zambezi Region with the United Kingdom. Leo von Caprivi arranged for the Caprivi strip to be annexed to German South West Africa in order to give Germany access to the Zambezi River as part of the Heligoland-Zanzibar Treaty. The German motivation behind the swap was to acquire a strip of land linking German South West Africa with the Zambezi River, providing easy access to Tanganyika (Tanzania) and an outlet to the Indian Ocean. Unfortunately for the Germans, the British colonisation of Rhodesia (Zimbabwe and Zambia) stopped them well upstream of Victoria Falls, which proved a considerable barrier to navigation on the Zambezi.
Water politics in the Jordan River basin Syria dammed the river upstream. While the Yarmouk flows into the Jordan River, most of its water has been used in Syria and Jordan before reaching the river. Since the civil war broke out, hundreds of thousands of refugees have fled the area of southern Syria, many of whom were farmers. Most fled to refugee camps in Jordan. As a result, much more water now flows in the Yarmouk River and thus greater quantities of water are reaching the parts of the river that flow through Jordan, and later into Israel as well. The Syria-Lebanon-Palestine boundary was a product of