12. What is the great act" referred to by Senator Sumner in this excerpt? * 6 points All men are created equal, says the great Declaration and now a
great act attests this verity. Today we make the Declaration a
reality. ... The Declaration was only half established by
Independence. The greatest duty remained behind. In assuring
the equal rights of all we complete the work.
--Senator Charles Sumner, 1870
O The addition of Hiram Rhodes Revels, an African-American man, to the U. S. Senate.
The Senate's readmission of the last Confederate state.
The election of the first woman to the U. S. Senate.
The Senate's acquittal of President Andrew Johnson.

Which points did chief justice roger b. taney use to justify the supreme court’s ruling in the dred scott case? the property clause of the constitution, the due process clause of the fifth amendment, and the fact that african americans were not citizens. the practice of judicial review established in marbury v. madison, the property clause of the constitution, and the due process clause of the fifth amendment. the necessary and proper clause of the constitution, the due process clause of the fifth amendment, and the fact that african americans were not citizens. the commerce clause of the constitution, the elastic clause of the sixth amendment, and the practice of judicial review established in gibbons v. ogden.