Simplify the following text for a Grade 10 native English-speaking person.
Original: Article 4 of the United Nation 's Universal Declaration of Human Rights ( passed in 1948 ) declares such servitude as illegal , but only national legislation could rectify that illegality .
Simplified: The United Nations passed the Universal Declaration of Human Rights 1948 . Article 4 of the Declaration says that indenture , or servitude , is illegal .