Simplify the following text for a Grade 7 native English-speaking person.
Original: The Bill of Rights is the name for the first ten amendments to the United States Constitution , which limit the power of the federal government and guarantee citizens of the United States certain rights . The amendments were written in 1789 by James Madison , and were based on important ideas about personal rights .
Simplified: The Bill of Rights is the name for the first ten amendments to the United States Constitution .