Kariba Gorge and a lower economic status compared to the Tonga on the Zambia side. Kariba Gorge Kariba Gorge is a large, natural gorge through which flowed the Zambezi River on the border of Zambia and Zimbabwe, Africa. In 1959 the large double arch concrete Kariba Dam was completed, completely filling the gorge and creating the largest man-made lake in the world. Lake Kariba was filled between 1958 and 1963 following the completion of the Kariba Dam at its northeastern end, flooding the Kariba Gorge on the Zambezi River and displacing large numbers of wildlife and the local Tonga people. The choice
Piscataqua River border dispute Piscataqua River border dispute The Piscataqua River border dispute was a dispute between the US states of Maine and New Hampshire over ownership of Seavey’s Island in the Piscataqua River, which forms the border between Maine and New Hampshire. The dispute was settled in 2002 by the US Supreme Court in favor of Maine. Seavey’s Island lies in the northern side of the Piscataqua River, between the town of Kittery, Maine, and the city of Portsmouth, New Hampshire. The island was originally five separate islands which were conjoined between 1800 and 1866 in order to build a naval shipyard. The