Complex sentence: The province shares borders with South Africa and Botswana therefore the existence of Tswana, Sotho/Pedi, Venda and Shangani (Tsonga) speaking people in the province.
Split into simpler sentences: The province shares borders with South Africa and Botswana. As a result, there are Tswana, Sotho/Pedi, Venda and Shangani (Tsonga) speaking people in the province.