Final answer:
The ironic ending in Valenzuela's work contradicts her optimistic view of the political situation in Argentina and highlights the challenges faced by the people.
Step-by-step explanation:
The ironic ending in Valenzuela's work reflects her perspective on the political situation in Argentina in a way that contradicts her optimistic view. It highlights the challenges faced by the people and the bleak reality of the political landscape. Through the irony, Valenzuela critiques the political system and exposes the flaws and difficulties faced by the citizens.