Given a text, write a compressed version of it in a single sentence.

The rest of the amendments, beginning with the Nineteenth, are all directed to the process of spreading the franchise and refining the mechanism of democratic representation. The Nineteenth (1920), the Twenty-Fourth (1964), and the Twenty-Sixth Amendments (1971) all serve the purpose of extending the franchise.
The rest of the amendments are all directed to the process of spreading the franchise and refining the mechanism of democratic representation. The Nineteenth, the Twenty-Four, and the Twenty-Sixth Amendments all server purpose.