I need help finding three causes and effects for how wolfs change rivers please and thank you! I'm attaching the video. https://youtu. be/oSBL7Gk_9QU

Which statement accurately compares the articles of confederation with the us constitution? a: the articles of confederation didnt allow for a president, the us constititution created the office for a president. b: the aoc were intended to be a temporary document , the us const. was intended to be permanent. c: the aoc allowed the states more freedom, the us const. gave the fed. government total power over states. d: the aoc didnt allow for states to levy taxes, the us constitution gave stayes the power to tax their own citizens. just pick a b c or d and me : )