In every epoch, certain struggles against oppression have come down through history and sum up for US in a single heroic shout the great reservoir of courage and humanity which is the common birthright of all people. France of 1789, Russia of 1917, China of 1949, Cuba of 1959; these are both milestones and symbols, the tradition of revolution which demonstrates that historically all reactionaries have been, in essence, paper tigers. That a people united can never be defeated. But not every symbol is a victorious one. The world has borne to witness to the bloody coup of September 1973 which swallowed and destroyed the Popular Unity government of Salvador.