Politics in art is not propaganda but rather aims to raise questions and provoke thought using evocative techniques. Artists can convey action through gesture, mood through color, and emotion through light and texture to enlighten, enrage, and empower viewers. Some examples mentioned are The Blind Leading the Blind painting from 1568, street art from various locations, and The Raft of the Medusa painting from 1819 which depicted a shipwreck and became internationally renowned for its political commentary.