For years, an image supposedly taken at a Black Lives Matter (BLM) protest that showed a white man in a wheelchair with a sign reading, "I'm sorry I'm late. I had a lot to learn" has spread online.

Trump accused the South African government in his order of discriminating against the white Afrikaaners, descendants of the largely Dutch colonists who arrived in the country in the 1600s.

White South Africans, who make up about 8 percent of the population, own about three-quarters of the country’s farmland, while Black South Africans, who make up 80 percent of the population, own just ...