Simplify the following text for a Grade 9 native English-speaking person.
Original: In 1991 , Barbara Bush gave a duplicate of this sculpture to Raisa Gorbachev as part of the START Treaty , and the work is displayed in Moscow 's Novodevichy Park .
Simplified: In 1991 , Barbara Bush gave a copy of this statue to Raisa Gorbachev as part of the START Treaty , and the work is in Moscow 's Novodevichy Park .