Complex sentence: In 1852, Tajakant tribesmen founded a settlement and trading post in the oasis of Tindouf, in what is now Algeria, they were engaged in a lengthy war against the Rguibat and Kunta in the 19th, their allies in this war were the Senhaja.
Split into simpler sentences: In 1852, Tajakant tribesmen founded a settlement and trading post in the oasis of Tindouf, in what is now Algeria. They were engaged in a lengthy war against the Rguibat and Kunta in the 19th c., their allies in this war were the Senhaja.