In 1650, Menasseh ben Israel published Spes Israelis, The Hope of Israel, which he dedicated to Oliver Cromwell. In 1655 ben Israel formally presented his Petition to the Council of State. This document asked for Jews to return as ordinary citizens. He pled for a public synagogue, the right to Jewish education, religious toleration and a cemetery.
The Humble Petition of the Hebrews at Present
William Prynne: A Short Demurrer to the Jewes