B. Universities began stressing science and engineering
The correct answer is B) Gave all adult African Americans the right to vote.
The Reconstruction Act of 1867 was significant because it gave all adult African Americans the right to vote.
The Reconstruction Acts were four pieces of legislation passed by the US Congress during Reconstruction after the Civil War. With these acts that referred to the readmission of the Confederated States into the Union, the Southern states were required to ratify the 14th Amendment to the US Constitution that granted the right to vote to adult African American.
