During those years fortified camps were established by the Belgians on the Sankuru, the Lomami, and the Arumiwi, and the Arabs were quick to see that each year's delay increased the strength of the forces against which they would have to contend.
In the valley of the Sankuru the population has been slightly modified by Chinese influences.
They got as far as the Sankuru district, where the survivors settled and married native women.
In some tribes a rude form of printing designs on cloth is practised, and on the Sankuru and Lukenye a special kind of cloth, with a heavy pile resembling velvet, is made by Bakuba and other tribes.
Later on a chief named Kalambo carved out a new" empire in the central part of the Kasai basin, his authority extending westward from the upper Sankuru into the Lunda district of Angola.
Other places of importance are Luluaburg, on the Lulua river; Lusambo, the capital of the Lualaba-Kasai district, on the Sankuru river; Coquilhatville, the capital of the equatorial district, at the mouth of the Ruki; Stanleyville, the principal station of Stanley Falls district; New Antwerp, a thriving little town, the capital of the Bangala district, situated on the right bank of the Congo close to 19° E.; Banzyville, the capital of the Ubangi district, on the river of that name; and Basoko, at the junction of the Aruwimi and the Congo.