Can someone help me with a conclusion about the hollow man and there will come soft rains? and how they connect to each other?.

The main house in "There Will Come Soft Rains" is the last functioning home in the city after a nuclear war.  This is evidenced both by the absence of people and by the revelation, at ten-fifteen, of silhouettes left in the charcoal dust on the side of the house.  At last, due to a storm, fire breaks out and consumes the house as there is no one left to fight the blaze.

Based on this example, it is reasonable to assume that other houses continued to function well, until some event that required human intervention occurred.

Also, though there is nothing left of the house save one wall and a lone voice, there are hints that the fire may have spread before dying down.  Towards the beginning of the scene, Bradbury writes, “It had sent flames outside the house” and, then, at the end, “A great quantity of smoke,” as though the fire still burned somewhere and would make its way to the other houses of the town.

We can conclude that without humans to stop, or repair damage from storms, fires, and malfunctions, the other houses will die, too.

Explanation:

This is evidenced both by the absence of people and by the revelation. At last, due to a storm, fire breaks out and consumes the house as there is no one left. In conclusion if that without humans to stop, or repair damage from storms, fires, and malfunctions, the other houses will die, too.

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