Final answer:
Lencho's response to seeing the letter would likely involve strong emotion such as shock or anger. Letters in literature and history often lead to significant reactions and can provoke changes in the narrative or real-world events.
Step-by-step explanation:
Lencho's reaction upon seeing the letter can be derived from the passage context provided. Given the various excerpts, it seems that Lencho would likely be shocked, dismayed, or possibly outraged by the contents of the letter. Documents like the De Lôme Letter or correspondence included in literary works often provoke strong emotional responses from their receivers, leading to drastic consequences or shifts in their beliefs and actions. Characters may feel betrayed, vindicated, or challenged depending on the message received. In historical contexts, letters often catalyzed events or heightened tensions, as seen with the De Lôme Letter's impact on American opinion towards Spain. In literature, the receipt of a letter can force characters into introspection or decisive action, often serving as pivotal plot devices.