Original sentence: Anti-Zionism takes many forms, from the refusal to recognize the Jewish character of the state of Israel's to religious opposition to the idea of a Jewish state.The phrase is controversial and sometimes disputed by those to whom it is applied.Zionists often try to delegitimize anti zionist critcism by claiming that such criticism is antisemitic or may act as a proxy for antisemitism
Edited sentence: Anti-Zionism takes many forms, from the refusal to recognize Israel's existence or Israel's right to exist to religious opposition to the idea of a Jewish state.Because of the diversity of opinion, and the argument that anti-Zionism is either inherently antisemitic or may act as a proxy for antisemitism, the phrase is controversial and sometimes disputed by those to whom it is applied