Indeed, all of them remained economically dependent on Pretoria.
British Dictionary definitions for Pretoria
a city in N South Africa, the administrative capital of South Africa; formerly capital of Transvaal province: two universities (1873, 1930); large steelworks. Pop: 525 384 (2001) Also called Tshwane
former province of NE South Africa: colonized by the Boers after the Great Trek (1836); became a British colony in 1902; joined South Africa in 1910; replaced in 1994 for administrative purposes by a new system of provinces (Eastern Transvaal (later Mpumalanga), Northern Transvaal (later Limpopo), Gauteng, and North West province). Capital: Pretoria