How did religious beliefs cause dutch immigrants to aggressively expand their settlements in southern africa?

Historical developments of the late eighteenth century and early nineteenth century shaped the Dutch emigration to the interior of South Africa. The Cape colony of dutch settlers faced problems by the end of Napoleonic war and in 1814 the colony of Cape was ceded to Britisher by the Dutch government.

The religious development of the chosen people ideology mentioned in the Old Testament aligned with Calvinist ideas of the Afrikaners has led them to legitimize their subordination of the other ethnic groups. Their resentment and to escape the British settlers, Dutch colonists began to move in the interior of South Africa.