Which was decided first, Katzenbach v. Morgan or Brown v. Board of Education?
Katzenbach v. Morgan Katzenbach v. Morgan, 384 U.S. 641 (1966) , was a United States Supreme Court case regarding the power of Congress, pursuant to Section 5 of the 14th Amendment, to enact laws that enforce and interpret provisions of the Constitution.
Louisiana v. United States (1965) Louisiana v. United States, 380 U.S. 145 (1965) , was a case decided by the Supreme Court of the United States that dealt with an "interpretation test" permitted by the Louisiana Constitution of 1921 alleged to deprive Louisiana Negroes of voting rights in violation of 42 U.S.C. Section 1971(a) and the Fourteenth and Fifteenth Amendments.