Simplify the following text for a Grade 9 native English-speaking person.
Original: In addition to ending the British Parliament 's power to legislate over Australian states , the Australia Acts also cut the last avenues of appeal from the Australian courts to the Judicial Committee of the Privy Council .
Simplified: This law stopped the British Parliament 's power to make laws over Australian states . It also stopped appeals from the Australian courts to the Judicial Committee of the Privy Council .