Original sentence: He also attacked Wise’s views, which upset the delegates from the American Jewish Committee, and caused them to walk out.”   Rabbi Abba Hillel Silver, representing the maximalists, called for the delegates to endorse the Biltmore Program
Edited sentence: "  He also attacked Wise’s views, which upset the delegates from the American Jewish Committee, and caused them to walk out.Silver's followers characterized the contrast between the two as "Aggressive Zionism" versus "the Politics of the Green Light [from the White House].”  Rabbi Abba Hillel Silver, representing the maximalists, called for the delegates to endorse the Biltmore Program