Short Answer 
The excerpts discuss the themes of threatening uncertainty and familial bonds, particularly between Rena and Danka in a concentration camp setting. Despite surrounding cruelty, the narrative emphasizes humanity and hope, showcasing resilience and kindness amidst adversity.
Step 1: Understanding the Central Theme
The main theme expressed in the excerpts is the feeling of threatening and uncertainty. This theme is illustrated through the harrowing experiences of the characters as they navigate life in the harsh environment of a concentration camp. The overwhelming presence of danger influences their daily existence and decisions, reminding the reader of the gravity and severity of their situation.
Step 2: The Bond of Siblings
The relationship between Rena and her sister Danka plays a vital role in the narrative. Their bond is characterized by a promise Rena made to their mother to look after Danka. This promise manifests in various forms like:
- Rena sneaking bread for Danka and their friends.
- Facing life-threatening situations together.
- Providing emotional support amidst extreme adversity.
Step 3: Themes of Humanity and Hope
Despite the overwhelming presence of cruelty and terror, the narrative reveals themes of humanity and hope. The compelling events in “Rena’s Promise” demonstrate how acts of kindness and resilience can flourish in dire situations. Through their struggle for survival, the characters symbolize the enduring spirit of humanity that prevails even in the darkest moments of history.