<Li> Passed the House on August 16, 1967 (326--93) </Li> <Li> Passed the Senate on March 12, 1968 (71--20) with amendment </Li> <Li> House agreed to Senate amendment on April 10, 1968 (250--172) </Li> <Li> Signed into law by President Lyndon B. Johnson on April 11, 1968 </Li>

Which of the following are the protected classes included in title viii of the 1968 fair housing act