Complex sentence: Prime Minister Louis Botha informed London that South Africa could defend itself and that the Imperial Garrison may depart for France; when the British government asked Botha whether his forces would invade German South-West Africa, the reply was that they could and would.
Split into simpler sentences: Prime Minister Louis Botha, informed London that South Africa could defend itself and that the Imperial Garrison could leave for France. When the British government asked the Botha if his forces could invade German South West Africa the South African Government, informed London that they could and would.