Which provision of the original constitution allows congress to enact legislation that adapts to changing circumstances? (1) due process (2) elastic clause (3) electoral college (4) three-fifths compromise base your answer to question 6 on the passage below and on your knowledge of social studies. article 6. there shall be neither slavery nor involuntary servitude in the said territory, otherwise than in the punishment of crimes whereof the party shall have been duly convicted: provided, always, that any person escaping into the same, from whom labor or service is lawfully claimed in any one of the original states, such fugitive may be lawfully reclaimed and conveyed to the person claiming his or her labor or service as aforesaid. … — northwest ordinance, 1787