Which reform did Maria, Teresa of Austria and Frederick, the second of PRUSSIA make
Allowing freedom of speech
Allowing freedom of religion
Establishing public schools
Ending SERFDOM
Maria Theresa of Austria implemented an overhaul of the Habsburg empire's tax system, the judiciary, and the military, as well as easing some of the oppressive burdens placed on the peasantry.
Frederick II of Prussia made efforts to modernize the administration and legal system, as well as promoting religious tolerance and improving education. He also made attempts to reform the economy and agriculture in Prussia.
Overall, both rulers made significant efforts to modernize and reform their respective countries, but neither officially ended serfdom.