Preto River (Paraíba)
The Preto River( Paraíba) is a river of Paraíba state in northeastern Brazil.
Preto River (Tocantins River)
The Preto River( Tocantins River) is a river of Goiás state in central Brazil.
Preto River (Pernambuco)
The Preto River( Pernambuco) is a river of Pernambuco state in eastern Brazil.
Preto River (Paracatu River)
The Preto River is a river of Goiás state in central Brazil.
Baquiá Preto River
The Baquiá Preto River is a river of Pará state in north- central Brazil.
Preto River (Maranhão)
The Preto River( Maranhão) is a river of Maranhão state in northeastern Brazil.
Preto River (Paraná)
The Preto River is a river of Paraná state in southern Brazil.
Claro River (Preto River)
The Claro River( Preto River) is a river of Goiás state in central Brazil.
Preto River (Amapá)
The Preto River is a river of Amapá state in Brazil.
It is a tributary of the Amazon River.
Slave River
The Slave River is a Canadian river that flows from the confluence of the Rivière des Rochers and Peace River in northeastern Alberta and empties into Great Slave Lake in the Northwest Territories.
The river's name is thought to derive from the name for the Slavey group of the Dene First Nations," Deh Gah Got'ine", in the Athabaskan language.
The Chipewyan had displaced other native people from this region.

Question: Are Slave River and Baquiá Preto River both located in the same country?
Answer: no