Final answer:
The Happenstance Theory refers to the concept that random or unplanned events significantly impact our lives and the series of occurrences in the universe, aligning with views of indeterminism and contrasting with the just-world hypothesis.
Step-by-step explanation:
The Happenstance Theory, while not explicitly outlined in the provided references, seems to touch on a variety of concepts related to fate, destiny, causality, and the randomness of events. One could interpret Happenstance Theory as an amalgamation of thoughts on how random or unplanned events can significantly influence our lives and the series of occurrences in the universe.
In support of indeterminism, William James suggested that not all events are predestined, thus allowing for the potential of uncaused or random acts, which would align with the concept of Happenstance Theory. Moreover, the idea of frozen accidents in the evolution of life points towards an acceptance of randomness and serendipity in significant historical developments. This aligns well with the anthropic principle, which accepts that the conditions of the universe are as they are without a conclusive explanation, relying instead on the idea that they must be right since they led to our existence.
This theoretical approach stands in contrast with the just-world hypothesis, which suggests a predetermination that people get what they deserve. It aligns better with a perspective that embraces uncertainty and the potential significance of random events in shaping our destinies and the world we know.