Final answer:
The theme of the story is the importance of perseverance and resilience in overcoming challenges.
Step-by-step explanation:
The theme of the story "The Oasis: Africa" is the importance of perseverance and resilience in overcoming challenges.
The theme shines through in the story through the protagonist's journey to find water in the desert and his determination to survive. This theme is also reinforced by the repeated element of the harsh desert environment and the protagonist's unwavering pursuit of his goal.
Other themes that may be present in the story include the power of hope, the significance of community support, and the exploration of the human spirit.