When the U.S. Constitution was initially written in the late 18th century, people of color and women were excluded from voting. Since then, three amendments have been adopted that explicitly provide voting rights (also called suffrage) to the citizens who were originally left out.
Visit the Salem History e-book database to read about the Electoral College.
Here's a sample of the topics that are included:
The Electoral Process
The Electoral College and the Popular Vote
Roger Sherman and the Establishment of the Electoral College
The Twelfth Amendment and Its Influence on Future Elections
The Twenty-Third Amendment and Washington D.C.
Ongoing Debates Surrounding the Electoral College