Goshen- Boer Republic 1882–1883. Capital: Rooigrond, Mafikeng. Religion Dutch Reformed. President: Nicolaas Claudius Gey van Pittius Area: 10,000 km². Population: 17,000 Boer Republic, opposing British rule in the region. It became a focal point of conflict between the British Empire and the South African Republic. It set the stage for the Second Boer War.