Gibbons v. Ogden (1824), United States v. E. C.
 Knight Co. (1895), and Schechter Poultry
 Corporation v. United States (1935) are all
 Supreme Court cases dealing with
 (1) presidential power during wartime
 (2) federal authority to regulate interstate
 commerce
 (3) protection of students’ religious freedom
 (4) government regulation of passenger transportation