This documentary, focusing on the geopolitical conflict in Nicaragua, does not present any identifiable LGBTQ+ characters or themes. The narrative is centered on political and military events, with no elements related to queer identity or experiences.

No information is available regarding the plot or characters of 'Sólo pre Cantus firmus (1983)' to assess the presence or portrayal of transsexual themes or characters. Therefore, a determination of its net impact cannot be made.

The movie does not contain any action or adventure elements.

As a documentary, "Target Nicaragua: Inside a Covert War" focuses on real individuals and historical events. The concept of a "gender swap," which applies to fictional characters or historical figures reimagined in adaptations, does not apply to the factual portrayal of real people in a documentary.

This film is a 1983 documentary about a covert war. Documentaries feature real people and events, not fictional characters adapted from source material or historical figures portrayed by actors in a way that would constitute a race swap.