Instructor: Mark Pearcy. In this lesson, we'll be looking at the expressed powers of the United States Congress. Learn what these powers are and examples of them, and then you'll be able to test your knowledge of them with a quiz.
The 17, 19, 23, 24, and 26 amendments have expanded voting rights.
Introduction. The 15th Amendment, granting African-American men the right to vote, was formally adopted into the U.S. Constitution on March 30, 1870.ntroduction. The 15th Amendment, granting African-American men the right to vote, was formally adopted into the U.S. Constitution on March 30, 1870.