It is often said that "History repeats itself." Though historical conditions can resemble modern ones, this axiom can never be completely true because of.

Contingency

Explanation:

contingency is described as future event which based on previous experiences(or not) is possible but can not be hundred percent predicted and assured. This is likened to the problem with the axiom that "history repeats itself" because it doesn't always repeat itself. It does sometimes but contingency may come in and it may not as it is probable.

Contingency

Explanation: Contingency is a term used to describe the possibility of an event or an action to reoccur in the future without enough certainty.

An Axiom is a statement Accepted to to be true in order to give an initial starting point for future studies or discussions on the said topic.

An Axiom can be completely true or it not be completely true as in the case of CONTINGENCY.

i would go with the last one

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explanation: