Complex sentence: After some years of oppression by the Gcaleka Xhosa (who called the Fingo their "dogs"), they formed an alliance with the Cape government in 1835.The Fingo people subsequently became notable allies of the Cape Colony in the frontier wars against their former oppressors.
Split into simpler sentences: After some years of oppression by the Gcaleka Xhosa (who called the Fingo their "dogs"). Closely following those events the Fingo formed an alliance with the Cape government in 1835.The Fingo people subsequently became notable allies of the Cape Colony in the frontier wars against their former oppressors.