It is false. the Emancipation proclamation freed all slave just before the American Civil War ended by Abraham Lincoln
Explanation: A short explantion: Countries expand/isolate because of climate change.
They were journalists who were very important during the progressive era. They often exposed big businesses for unsafe/unsanitary working conditions or problems facing america
Learning to write/memorize it
"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.