In the early 1900s, european settlers in south africa created a policy of embargoes and trade sanctions. a system of segregation that split society. a plan of sabotage against the government. a style of government based on democracy.

The correct answer is: a system of segregation that split society.

The British settled in South Africa a union of the four colonies into a country called "Union of South Africa", in which a series of segregationist laws were set, such as denial of voting rights to black people.

White people, even though they were only 20% of the population, were the owners of 90% of the land.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: