Military history of South Africa during World War II September 1939, Britain declared war on Germany two days later. A short but furious debate unfolded in South Africa, especially in the halls of power in the Parliament of South Africa. It pitted those who sought to enter the war on Britain's side, led by Smuts, against those who wanted to keep South Africa neutral, led by Hertzog. On 4 September 1939, the United Party caucus refused to accept Hertzog's stance of neutrality in World War II and deposed him in favour of Smuts. Upon becoming Prime Minister, Smuts declared South Africa officially at war with Germany and the Axis.
South African Police 1926, the South African Mounted Riflemen were disbanded and their duties taken over by the South African Police. In 1939, the SAP took over the South West African Police and became responsible for policing South West Africa, which was under South African administration at that time. Police officials often called on the army for support in emergencies. In turn, one SAP brigade served with the 2nd Infantry Division of the South African Army in North Africa during World War II. After the war, the South African Police joined INTERPOL on 1 January 1948. When the conservative National Party edged out