Matabeleland area has important gold deposits. Industries include gold and other mineral mines, and engineering. There has been a decline in the industries in this region as water is in short supply. Promises by the government to draw water for the region through the Matabeleland Zambezi Water Project have not been carried out. The region is allegedly marginalised by the government. Around the 10th and 11th centuries the Bantu-speaking Bakalanga arrived from the south and settled in Mapungubwe on the Limpopo and Shashi river valleys. Later they moved north to Great Zimbabwe. By the 15th century, the Bakalanga had established a
Borders of the United States although not legal, on some occasions when ice flowing through the Bering Strait clogs between the two islands. The Third Border Initiative is an area of foreign policy concerning the Caribbean Sea border between the United States and the Caribbean region. Insular areas are in a separate customs territory from the 50 States, the District of Columbia, and Puerto Rico (see Foreign trade of the United States). U.S. Customs and Border Protection is responsible for policing the borders and inspecting people and goods being imported. The United States Coast Guard actively patrols the nation's extensive maritime borders. The United States