A matter demanding Kennedy's attention in the Senate was President Eisenhower's bill for the Civil Rights Act of 1957. Kennedy cast a procedural vote against it and this was considered by some to be an appeasement of Southern Democratic opponents of the bill. Kennedy did vote for Title III of the act, which would have given the Attorney General powers to enjoin, but Majority Leader Lyndon B. Johnson agreed to let the provision die as a compromise measure. Kennedy also voted for Title IV, termed the "Jury Trial Amendment". Many civil rights advocates at the time criticized that vote as one which would weaken the act. A final compromise bill, which Kennedy supported, was passed in September 1957. He proposed July 2, 1957 that the U.S. support Algeria's effort to gain independence from France. The following year, Kennedy authored "A Nation of Immigrants" (later published in 1964), which analyzed the importance of immigration in the country's history as well as proposals to re-evaluate immigration law.