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The Probability Broach - Alternate History
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The Probability Broach

description The Probability Broach Overview

The Probability Broach is a 1979 alternate-history novel by L. Neil Smith. It presents a parallel North American history in which a different revolution leads to the creation of a society organized around strict libertarian principles. The novel uses time travel and political speculation to examine how institutions, individual freedom, and government might develop under a radically different constitutional order.

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What is the basic plot of The Probability Broach?

L. Neil Smith's novel follows Denver detective Win Bear after he investigates the murder of physicist Vaughn Meiss. The investigation carries him through the Probability Broach into a parallel North American Confederacy with a very different political order.

What historical change creates the North American Confederacy?

The alternate world grows from a successful Whiskey Rebellion in 1794 instead of the rebellion's suppression in real American history. That divergence produces a society built around strong individual liberty, voluntary association, and limited government.

Is The Probability Broach a detective story or a time-travel story?

It deliberately combines both forms: Win Bear begins with a murder investigation, then crosses into another historical branch through an interdimensional device. That mixture is why the book reads as political alternate history as well as science fiction.

Which book follows The Probability Broach directly?

The American Zone is the direct sequel and was published in 2001. Other North American Confederacy books include The Venus Belt, The Nagasaki Vector, and The Tom Paine Maru, so the first novel also opens a wider series. [L. Neil Smith reference](https://lneilsmith.org/world.html)

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