"De facto" means "in fact, factually" - that something is, indeed, taking place. It is customarily used to denote a situation which is not dictated by law ("de jure") but which happens anyway - so the best answer is A. Law - this segregation is not required by law, but it takes place anyway, for example for financial reasons.
Answer:
Judicial review, power of the courts of a country to examine the actions of the legislative, executive, and administrative arms of the government and to determine whether such actions are consistent with the constitution. Actions judged inconsistent are declared unconstitutional and, therefore, null and void.
kunfo he was as quick as lighten
Answer:
The new mining towns enforce laws and keep the peace by vigilantes punished lawbreakers. ... That is why mining towns enforce laws and keep the peace by vigilantes punished lawbreakers. The members of the western communities had to defend themselves and they formed groups of vigilantes to secure their property.